19663140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46817}}^1$

素因数の和:46836

約数の個数: 48

約数和(自身を含む): 62923392

約数和(自身を除く): 43260252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46817, 93634, 140451, 187268, 234085, 280902, 327719, 468170, 561804, 655438, 702255, 936340, 983157, 1310876, 1404510, 1638595, 1966314, 2809020, 3277190, 3932628, 4915785, 6554380, 9831570, 19663140]

約数ペア:

[(1, 19663140), (2, 9831570), (3, 6554380), (4, 4915785), (5, 3932628), (6, 3277190), (7, 2809020), (10, 1966314), (12, 1638595), (14, 1404510), (15, 1310876), (20, 983157), (21, 936340), (28, 702255), (30, 655438), (35, 561804), (42, 468170), (60, 327719), (70, 280902), (84, 234085), (105, 187268), (140, 140451), (210, 93634), (420, 46817)]