18721453672

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{495067}}^1$

素因数の和:495265

約数の個数: 32

約数和(自身を含む): 36536018400

約数和(自身を除く): 17814564728

約数列:

[1, 2, 4, 8, 29, 58, 116, 163, 232, 326, 652, 1304, 4727, 9454, 18908, 37816, 495067, 990134, 1980268, 3960536, 14356943, 28713886, 57427772, 80695921, 114855544, 161391842, 322783684, 645567368, 2340181709, 4680363418, 9360726836, 18721453672]

約数ペア:

[(1, 18721453672), (2, 9360726836), (4, 4680363418), (8, 2340181709), (29, 645567368), (58, 322783684), (116, 161391842), (163, 114855544), (232, 80695921), (326, 57427772), (652, 28713886), (1304, 14356943), (4727, 3960536), (9454, 1980268), (18908, 990134), (37816, 495067)]