18740804620

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{596461}}^1$

素因数の和:598041

約数の個数: 24

約数和(自身を含む): 39380807088

約数和(自身を除く): 20640002468

約数列:

[1, 2, 4, 5, 10, 20, 1571, 3142, 6284, 7855, 15710, 31420, 596461, 1192922, 2385844, 2982305, 5964610, 11929220, 937040231, 1874080462, 3748160924, 4685201155, 9370402310, 18740804620]

約数ペア:

[(1, 18740804620), (2, 9370402310), (4, 4685201155), (5, 3748160924), (10, 1874080462), (20, 937040231), (1571, 11929220), (3142, 5964610), (6284, 2982305), (7855, 2385844), (15710, 1192922), (31420, 596461)]