18741020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4441}}^1$

素因数の和:4661

約数の個数: 24

約数和(自身を含む): 39551568

約数和(自身を除く): 20810548

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4441, 8882, 17764, 22205, 44410, 88820, 937051, 1874102, 3748204, 4685255, 9370510, 18741020]

約数ペア:

[(1, 18741020), (2, 9370510), (4, 4685255), (5, 3748204), (10, 1874102), (20, 937051), (211, 88820), (422, 44410), (844, 22205), (1055, 17764), (2110, 8882), (4220, 4441)]