18855700

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1372

約数の個数: 36

約数和(自身を含む): 41211772

約数和(自身を除く): 22356072

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1201, 1570, 2402, 3140, 3925, 4804, 6005, 7850, 12010, 15700, 24020, 30025, 60050, 120100, 188557, 377114, 754228, 942785, 1885570, 3771140, 4713925, 9427850, 18855700]

約数ペア:

[(1, 18855700), (2, 9427850), (4, 4713925), (5, 3771140), (10, 1885570), (20, 942785), (25, 754228), (50, 377114), (100, 188557), (157, 120100), (314, 60050), (628, 30025), (785, 24020), (1201, 15700), (1570, 12010), (2402, 7850), (3140, 6005), (3925, 4804)]