18243560

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3061}}^1$

素因数の和:3221

約数の個数: 32

約数和(自身を含む): 41337000

約数和(自身を除く): 23093440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 3061, 5960, 6122, 12244, 15305, 24488, 30610, 61220, 122440, 456089, 912178, 1824356, 2280445, 3648712, 4560890, 9121780, 18243560]

約数ペア:

[(1, 18243560), (2, 9121780), (4, 4560890), (5, 3648712), (8, 2280445), (10, 1824356), (20, 912178), (40, 456089), (149, 122440), (298, 61220), (596, 30610), (745, 24488), (1192, 15305), (1490, 12244), (2980, 6122), (3061, 5960)]