18891180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 75479040

約数和(自身を除く): 56587860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 29, 30, 33, 35, 36, 42, 44, 45, 47, 55, 58, 60, 63, 66, 70, 77, 84, 87, 90, 94, 99, 105, 110, 116, 126, 132, 140, 141, 145, 154, 165, 174, 180, 188, 198, 203, 210, 220, 231, 235, 252, 261, 282, 290, 308, 315, 319, 329, 330, 348, 385, 396, 406, 420, 423, 435, 462, 470, 495, 517, 522, 564, 580, 609, 630, 638, 658, 660, 693, 705, 770, 812, 846, 870, 924, 940, 957, 987, 990, 1015, 1034, 1044, 1155, 1218, 1260, 1276, 1305, 1316, 1363, 1386, 1410, 1540, 1551, 1595, 1645, 1692, 1740, 1827, 1914, 1974, 1980, 2030, 2068, 2115, 2233, 2310, 2436, 2585, 2610, 2726, 2772, 2820, 2871, 2961, 3045, 3102, 3190, 3290, 3465, 3619, 3654, 3828, 3948, 4060, 4089, 4230, 4466, 4620, 4653, 4785, 4935, 5170, 5220, 5452, 5742, 5922, 6090, 6204, 6380, 6580, 6699, 6815, 6930, 7238, 7308, 7755, 8178, 8460, 8932, 9135, 9306, 9541, 9570, 9870, 10340, 10857, 11165, 11484, 11844, 12180, 12267, 13398, 13630, 13860, 14355, 14476, 14805, 14993, 15510, 16356, 18095, 18270, 18612, 19082, 19140, 19740, 20097, 20445, 21714, 22330, 23265, 24534, 26796, 27260, 28623, 28710, 29610, 29986, 31020, 32571, 33495, 36190, 36540, 38164, 40194, 40890, 43428, 44660, 44979, 46530, 47705, 49068, 54285, 57246, 57420, 59220, 59972, 61335, 65142, 66990, 72380, 74965, 80388, 81780, 85869, 89958, 93060, 95410, 100485, 104951, 108570, 114492, 122670, 130284, 133980, 134937, 143115, 149930, 162855, 171738, 179916, 190820, 200970, 209902, 217140, 224895, 245340, 269874, 286230, 299860, 314853, 325710, 343476, 401940, 419804, 429345, 449790, 524755, 539748, 572460, 629706, 651420, 674685, 858690, 899580, 944559, 1049510, 1259412, 1349370, 1574265, 1717380, 1889118, 2099020, 2698740, 3148530, 3778236, 4722795, 6297060, 9445590, 18891180]

約数ペア:

[(1, 18891180), (2, 9445590), (3, 6297060), (4, 4722795), (5, 3778236), (6, 3148530), (7, 2698740), (9, 2099020), (10, 1889118), (11, 1717380), (12, 1574265), (14, 1349370), (15, 1259412), (18, 1049510), (20, 944559), (21, 899580), (22, 858690), (28, 674685), (29, 651420), (30, 629706), (33, 572460), (35, 539748), (36, 524755), (42, 449790), (44, 429345), (45, 419804), (47, 401940), (55, 343476), (58, 325710), (60, 314853), (63, 299860), (66, 286230), (70, 269874), (77, 245340), (84, 224895), (87, 217140), (90, 209902), (94, 200970), (99, 190820), (105, 179916), (110, 171738), (116, 162855), (126, 149930), (132, 143115), (140, 134937), (141, 133980), (145, 130284), (154, 122670), (165, 114492), (174, 108570), (180, 104951), (188, 100485), (198, 95410), (203, 93060), (210, 89958), (220, 85869), (231, 81780), (235, 80388), (252, 74965), (261, 72380), (282, 66990), (290, 65142), (308, 61335), (315, 59972), (319, 59220), (329, 57420), (330, 57246), (348, 54285), (385, 49068), (396, 47705), (406, 46530), (420, 44979), (423, 44660), (435, 43428), (462, 40890), (470, 40194), (495, 38164), (517, 36540), (522, 36190), (564, 33495), (580, 32571), (609, 31020), (630, 29986), (638, 29610), (658, 28710), (660, 28623), (693, 27260), (705, 26796), (770, 24534), (812, 23265), (846, 22330), (870, 21714), (924, 20445), (940, 20097), (957, 19740), (987, 19140), (990, 19082), (1015, 18612), (1034, 18270), (1044, 18095), (1155, 16356), (1218, 15510), (1260, 14993), (1276, 14805), (1305, 14476), (1316, 14355), (1363, 13860), (1386, 13630), (1410, 13398), (1540, 12267), (1551, 12180), (1595, 11844), (1645, 11484), (1692, 11165), (1740, 10857), (1827, 10340), (1914, 9870), (1974, 9570), (1980, 9541), (2030, 9306), (2068, 9135), (2115, 8932), (2233, 8460), (2310, 8178), (2436, 7755), (2585, 7308), (2610, 7238), (2726, 6930), (2772, 6815), (2820, 6699), (2871, 6580), (2961, 6380), (3045, 6204), (3102, 6090), (3190, 5922), (3290, 5742), (3465, 5452), (3619, 5220), (3654, 5170), (3828, 4935), (3948, 4785), (4060, 4653), (4089, 4620), (4230, 4466)]