19542180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 216

約数和(自身を含む): 70555968

約数和(自身を除く): 51013788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 34, 35, 42, 46, 49, 51, 60, 68, 69, 70, 84, 85, 92, 98, 102, 105, 115, 119, 138, 140, 147, 161, 170, 196, 204, 210, 230, 238, 245, 255, 276, 289, 294, 322, 340, 345, 357, 391, 420, 460, 476, 483, 490, 510, 578, 588, 595, 644, 690, 714, 735, 782, 805, 833, 867, 966, 980, 1020, 1127, 1156, 1173, 1190, 1380, 1428, 1445, 1470, 1564, 1610, 1666, 1734, 1785, 1932, 1955, 2023, 2254, 2346, 2380, 2415, 2499, 2737, 2890, 2940, 3220, 3332, 3381, 3468, 3570, 3910, 4046, 4165, 4335, 4508, 4692, 4830, 4998, 5474, 5635, 5780, 5865, 6069, 6647, 6762, 7140, 7820, 8092, 8211, 8330, 8670, 9660, 9996, 10115, 10948, 11270, 11730, 12138, 12495, 13294, 13524, 13685, 14161, 16422, 16660, 16905, 17340, 19159, 19941, 20230, 22540, 23460, 24276, 24990, 26588, 27370, 28322, 30345, 32844, 33235, 33810, 38318, 39882, 40460, 41055, 42483, 46529, 49980, 54740, 56644, 57477, 60690, 66470, 67620, 70805, 76636, 79764, 82110, 84966, 93058, 95795, 99705, 114954, 121380, 132940, 139587, 141610, 164220, 169932, 186116, 191590, 199410, 212415, 229908, 232645, 279174, 283220, 287385, 325703, 383180, 398820, 424830, 465290, 558348, 574770, 651406, 697935, 849660, 930580, 977109, 1149540, 1302812, 1395870, 1628515, 1954218, 2791740, 3257030, 3908436, 4885545, 6514060, 9771090, 19542180]

約数ペア:

[(1, 19542180), (2, 9771090), (3, 6514060), (4, 4885545), (5, 3908436), (6, 3257030), (7, 2791740), (10, 1954218), (12, 1628515), (14, 1395870), (15, 1302812), (17, 1149540), (20, 977109), (21, 930580), (23, 849660), (28, 697935), (30, 651406), (34, 574770), (35, 558348), (42, 465290), (46, 424830), (49, 398820), (51, 383180), (60, 325703), (68, 287385), (69, 283220), (70, 279174), (84, 232645), (85, 229908), (92, 212415), (98, 199410), (102, 191590), (105, 186116), (115, 169932), (119, 164220), (138, 141610), (140, 139587), (147, 132940), (161, 121380), (170, 114954), (196, 99705), (204, 95795), (210, 93058), (230, 84966), (238, 82110), (245, 79764), (255, 76636), (276, 70805), (289, 67620), (294, 66470), (322, 60690), (340, 57477), (345, 56644), (357, 54740), (391, 49980), (420, 46529), (460, 42483), (476, 41055), (483, 40460), (490, 39882), (510, 38318), (578, 33810), (588, 33235), (595, 32844), (644, 30345), (690, 28322), (714, 27370), (735, 26588), (782, 24990), (805, 24276), (833, 23460), (867, 22540), (966, 20230), (980, 19941), (1020, 19159), (1127, 17340), (1156, 16905), (1173, 16660), (1190, 16422), (1380, 14161), (1428, 13685), (1445, 13524), (1470, 13294), (1564, 12495), (1610, 12138), (1666, 11730), (1734, 11270), (1785, 10948), (1932, 10115), (1955, 9996), (2023, 9660), (2254, 8670), (2346, 8330), (2380, 8211), (2415, 8092), (2499, 7820), (2737, 7140), (2890, 6762), (2940, 6647), (3220, 6069), (3332, 5865), (3381, 5780), (3468, 5635), (3570, 5474), (3910, 4998), (4046, 4830), (4165, 4692), (4335, 4508)]