19622620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22817}}^1$

素因数の和:22869

約数の個数: 24

約数和(自身を含む): 42167664

約数和(自身を除く): 22545044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22817, 45634, 91268, 114085, 228170, 456340, 981131, 1962262, 3924524, 4905655, 9811310, 19622620]

約数ペア:

[(1, 19622620), (2, 9811310), (4, 4905655), (5, 3924524), (10, 1962262), (20, 981131), (43, 456340), (86, 228170), (172, 114085), (215, 91268), (430, 45634), (860, 22817)]