19278275

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{10861}}^1$

素因数の和:10942

約数の個数: 12

約数和(自身を含む): 24243984

約数和(自身を除く): 4965709

約数列:

[1, 5, 25, 71, 355, 1775, 10861, 54305, 271525, 771131, 3855655, 19278275]

約数ペア:

[(1, 19278275), (5, 3855655), (25, 771131), (71, 271525), (355, 54305), (1775, 10861)]