19686172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2963}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 37844352

約数和(自身を除く): 18158180

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 2963, 3322, 5926, 6644, 11852, 32593, 65186, 130372, 447413, 894826, 1789652, 4921543, 9843086, 19686172]

約数ペア:

[(1, 19686172), (2, 9843086), (4, 4921543), (11, 1789652), (22, 894826), (44, 447413), (151, 130372), (302, 65186), (604, 32593), (1661, 11852), (2963, 6644), (3322, 5926)]