19702310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67939}}^1$

素因数の和:67975

約数の個数: 16

約数和(自身を含む): 36687600

約数和(自身を除く): 16985290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67939, 135878, 339695, 679390, 1970231, 3940462, 9851155, 19702310]

約数ペア:

[(1, 19702310), (2, 9851155), (5, 3940462), (10, 1970231), (29, 679390), (58, 339695), (145, 135878), (290, 67939)]