19027800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:95

約数の個数: 216

約数和(自身を含む): 72032220

約数和(自身を除く): 53004420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 31, 33, 36, 40, 44, 45, 50, 55, 60, 62, 66, 72, 75, 88, 90, 93, 99, 100, 110, 120, 124, 132, 150, 155, 165, 180, 186, 198, 200, 220, 225, 248, 264, 275, 279, 300, 310, 330, 341, 360, 372, 396, 440, 450, 465, 495, 550, 558, 600, 620, 660, 682, 744, 775, 792, 825, 900, 930, 961, 990, 1023, 1100, 1116, 1240, 1320, 1364, 1395, 1550, 1650, 1705, 1800, 1860, 1922, 1980, 2046, 2200, 2232, 2325, 2475, 2728, 2790, 2883, 3069, 3100, 3300, 3410, 3720, 3844, 3960, 4092, 4650, 4805, 4950, 5115, 5580, 5766, 6138, 6200, 6600, 6820, 6975, 7688, 8184, 8525, 8649, 9300, 9610, 9900, 10230, 10571, 11160, 11532, 12276, 13640, 13950, 14415, 15345, 17050, 17298, 18600, 19220, 19800, 20460, 21142, 23064, 24025, 24552, 25575, 27900, 28830, 30690, 31713, 34100, 34596, 38440, 40920, 42284, 43245, 48050, 51150, 52855, 55800, 57660, 61380, 63426, 68200, 69192, 72075, 76725, 84568, 86490, 95139, 96100, 102300, 105710, 115320, 122760, 126852, 144150, 153450, 158565, 172980, 190278, 192200, 204600, 211420, 216225, 253704, 264275, 288300, 306900, 317130, 345960, 380556, 422840, 432450, 475695, 528550, 576600, 613800, 634260, 761112, 792825, 864900, 951390, 1057100, 1268520, 1585650, 1729800, 1902780, 2114200, 2378475, 3171300, 3805560, 4756950, 6342600, 9513900, 19027800]

約数ペア:

[(1, 19027800), (2, 9513900), (3, 6342600), (4, 4756950), (5, 3805560), (6, 3171300), (8, 2378475), (9, 2114200), (10, 1902780), (11, 1729800), (12, 1585650), (15, 1268520), (18, 1057100), (20, 951390), (22, 864900), (24, 792825), (25, 761112), (30, 634260), (31, 613800), (33, 576600), (36, 528550), (40, 475695), (44, 432450), (45, 422840), (50, 380556), (55, 345960), (60, 317130), (62, 306900), (66, 288300), (72, 264275), (75, 253704), (88, 216225), (90, 211420), (93, 204600), (99, 192200), (100, 190278), (110, 172980), (120, 158565), (124, 153450), (132, 144150), (150, 126852), (155, 122760), (165, 115320), (180, 105710), (186, 102300), (198, 96100), (200, 95139), (220, 86490), (225, 84568), (248, 76725), (264, 72075), (275, 69192), (279, 68200), (300, 63426), (310, 61380), (330, 57660), (341, 55800), (360, 52855), (372, 51150), (396, 48050), (440, 43245), (450, 42284), (465, 40920), (495, 38440), (550, 34596), (558, 34100), (600, 31713), (620, 30690), (660, 28830), (682, 27900), (744, 25575), (775, 24552), (792, 24025), (825, 23064), (900, 21142), (930, 20460), (961, 19800), (990, 19220), (1023, 18600), (1100, 17298), (1116, 17050), (1240, 15345), (1320, 14415), (1364, 13950), (1395, 13640), (1550, 12276), (1650, 11532), (1705, 11160), (1800, 10571), (1860, 10230), (1922, 9900), (1980, 9610), (2046, 9300), (2200, 8649), (2232, 8525), (2325, 8184), (2475, 7688), (2728, 6975), (2790, 6820), (2883, 6600), (3069, 6200), (3100, 6138), (3300, 5766), (3410, 5580), (3720, 5115), (3844, 4950), (3960, 4805), (4092, 4650)]