19490785

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3067}}^1$

素因数の和:3144

約数の個数: 16

約数和(自身を含む): 24740352

約数和(自身を除く): 5249567

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3067, 6355, 15335, 95077, 125747, 475385, 628735, 3898157, 19490785]

約数ペア:

[(1, 19490785), (5, 3898157), (31, 628735), (41, 475385), (155, 125747), (205, 95077), (1271, 15335), (3067, 6355)]