18804947878

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{8747}}^1\times {\mathrm{22871}}^1$

素因数の和:31667

約数の個数: 16

約数和(自身を含む): 28812132864

約数和(自身を除く): 10007184986

約数列:

[1, 2, 47, 94, 8747, 17494, 22871, 45742, 411109, 822218, 1074937, 2149874, 200052637, 400105274, 9402473939, 18804947878]

約数ペア:

[(1, 18804947878), (2, 9402473939), (47, 400105274), (94, 200052637), (8747, 2149874), (17494, 1074937), (22871, 822218), (45742, 411109)]