18708700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3067}}^1$

素因数の和:3142

約数の個数: 36

約数和(自身を含む): 41276872

約数和(自身を除く): 22568172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3067, 6100, 6134, 12268, 15335, 30670, 61340, 76675, 153350, 187087, 306700, 374174, 748348, 935435, 1870870, 3741740, 4677175, 9354350, 18708700]

約数ペア:

[(1, 18708700), (2, 9354350), (4, 4677175), (5, 3741740), (10, 1870870), (20, 935435), (25, 748348), (50, 374174), (61, 306700), (100, 187087), (122, 153350), (244, 76675), (305, 61340), (610, 30670), (1220, 15335), (1525, 12268), (3050, 6134), (3067, 6100)]