19041421

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{1987}}^1$

素因数の和:2068

約数の個数: 12

約数和(自身を含む): 22376928

約数和(自身を除く): 3335507

約数列:

[1, 7, 37, 259, 1369, 1987, 9583, 13909, 73519, 514633, 2720203, 19041421]

約数ペア:

[(1, 19041421), (7, 2720203), (37, 514633), (259, 73519), (1369, 13909), (1987, 9583)]