19578150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 72

約数和(自身を含む): 53147640

約数和(自身を除く): 33569490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 139, 150, 225, 278, 313, 417, 450, 626, 695, 834, 939, 1251, 1390, 1565, 1878, 2085, 2502, 2817, 3130, 3475, 4170, 4695, 5634, 6255, 6950, 7825, 9390, 10425, 12510, 14085, 15650, 20850, 23475, 28170, 31275, 43507, 46950, 62550, 70425, 87014, 130521, 140850, 217535, 261042, 391563, 435070, 652605, 783126, 1087675, 1305210, 1957815, 2175350, 3263025, 3915630, 6526050, 9789075, 19578150]

約数ペア:

[(1, 19578150), (2, 9789075), (3, 6526050), (5, 3915630), (6, 3263025), (9, 2175350), (10, 1957815), (15, 1305210), (18, 1087675), (25, 783126), (30, 652605), (45, 435070), (50, 391563), (75, 261042), (90, 217535), (139, 140850), (150, 130521), (225, 87014), (278, 70425), (313, 62550), (417, 46950), (450, 43507), (626, 31275), (695, 28170), (834, 23475), (939, 20850), (1251, 15650), (1390, 14085), (1565, 12510), (1878, 10425), (2085, 9390), (2502, 7825), (2817, 6950), (3130, 6255), (3475, 5634), (4170, 4695)]