19619938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44389}}^1$

素因数の和:44421

約数の個数: 16

約数和(自身を含む): 33558840

約数和(自身を除く): 13938902

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44389, 88778, 577057, 754613, 1154114, 1509226, 9809969, 19619938]

約数ペア:

[(1, 19619938), (2, 9809969), (13, 1509226), (17, 1154114), (26, 754613), (34, 577057), (221, 88778), (442, 44389)]