19817954

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3449}}^1$

素因数の和:3494

約数の個数: 24

約数和(自身を含む): 34092900

約数和(自身を除く): 14274946

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3449, 5746, 6898, 44837, 58633, 89674, 117266, 582881, 762229, 1165762, 1524458, 9908977, 19817954]

約数ペア:

[(1, 19817954), (2, 9908977), (13, 1524458), (17, 1165762), (26, 762229), (34, 582881), (169, 117266), (221, 89674), (338, 58633), (442, 44837), (2873, 6898), (3449, 5746)]