19871878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44959}}^1$

素因数の和:44991

約数の個数: 16

約数和(自身を含む): 33989760

約数和(自身を除く): 14117882

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44959, 89918, 584467, 764303, 1168934, 1528606, 9935939, 19871878]

約数ペア:

[(1, 19871878), (2, 9935939), (13, 1528606), (17, 1168934), (26, 764303), (34, 584467), (221, 89918), (442, 44959)]