19709275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 25784064

約数和(自身を除く): 6074789

約数列:

[1, 5, 23, 25, 115, 151, 227, 575, 755, 1135, 3473, 3775, 5221, 5675, 17365, 26105, 34277, 86825, 130525, 171385, 788371, 856925, 3941855, 19709275]

約数ペア:

[(1, 19709275), (5, 3941855), (23, 856925), (25, 788371), (115, 171385), (151, 130525), (227, 86825), (575, 34277), (755, 26105), (1135, 17365), (3473, 5675), (3775, 5221)]