20161105618

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^2\times {\mathrm{12641}}^1$

素因数の和:12775

約数の個数: 36

約数和(自身を含む): 32613212142

約数和(自身を除く): 12452106524

約数列:

[1, 2, 19, 38, 47, 94, 361, 722, 893, 1786, 2209, 4418, 12641, 16967, 25282, 33934, 41971, 83942, 240179, 480358, 594127, 797449, 1188254, 1594898, 4563401, 9126802, 11288413, 22576826, 27923969, 55847938, 214479847, 428959694, 530555411, 1061110822, 10080552809, 20161105618]

約数ペア:

[(1, 20161105618), (2, 10080552809), (19, 1061110822), (38, 530555411), (47, 428959694), (94, 214479847), (361, 55847938), (722, 27923969), (893, 22576826), (1786, 11288413), (2209, 9126802), (4418, 4563401), (12641, 1594898), (16967, 1188254), (25282, 797449), (33934, 594127), (41971, 480358), (83942, 240179)]