18037700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3032

約数の個数: 36

約数和(自身を含む): 39796932

約数和(自身を除く): 21759232

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2957, 3050, 5914, 6100, 11828, 14785, 29570, 59140, 73925, 147850, 180377, 295700, 360754, 721508, 901885, 1803770, 3607540, 4509425, 9018850, 18037700]

約数ペア:

[(1, 18037700), (2, 9018850), (4, 4509425), (5, 3607540), (10, 1803770), (20, 901885), (25, 721508), (50, 360754), (61, 295700), (100, 180377), (122, 147850), (244, 73925), (305, 59140), (610, 29570), (1220, 14785), (1525, 11828), (2957, 6100), (3050, 5914)]