19662510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 34827090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 859, 1090, 1526, 1635, 1718, 2289, 2577, 3270, 3815, 4295, 4578, 5154, 6013, 7630, 8590, 11445, 12026, 12885, 18039, 22890, 25770, 30065, 36078, 60130, 90195, 93631, 180390, 187262, 280893, 468155, 561786, 655417, 936310, 1310834, 1404465, 1966251, 2808930, 3277085, 3932502, 6554170, 9831255, 19662510]

約数ペア:

[(1, 19662510), (2, 9831255), (3, 6554170), (5, 3932502), (6, 3277085), (7, 2808930), (10, 1966251), (14, 1404465), (15, 1310834), (21, 936310), (30, 655417), (35, 561786), (42, 468155), (70, 280893), (105, 187262), (109, 180390), (210, 93631), (218, 90195), (327, 60130), (545, 36078), (654, 30065), (763, 25770), (859, 22890), (1090, 18039), (1526, 12885), (1635, 12026), (1718, 11445), (2289, 8590), (2577, 7630), (3270, 6013), (3815, 5154), (4295, 4578)]