19026371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 23520000

約数和(自身を除く): 4493629

約数列:

[1, 7, 13, 91, 419, 499, 2933, 3493, 5447, 6487, 38129, 45409, 209081, 1463567, 2718053, 19026371]

約数ペア:

[(1, 19026371), (7, 2718053), (13, 1463567), (91, 209081), (419, 45409), (499, 38129), (2933, 6487), (3493, 5447)]