18569960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2957}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 42062760

約数和(自身を除く): 23492800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2957, 3140, 5914, 6280, 11828, 14785, 23656, 29570, 59140, 118280, 464249, 928498, 1856996, 2321245, 3713992, 4642490, 9284980, 18569960]

約数ペア:

[(1, 18569960), (2, 9284980), (4, 4642490), (5, 3713992), (8, 2321245), (10, 1856996), (20, 928498), (40, 464249), (157, 118280), (314, 59140), (628, 29570), (785, 23656), (1256, 14785), (1570, 11828), (2957, 6280), (3140, 5914)]