18719294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2357}}^1$

素因数の和:2408

約数の個数: 24

約数和(自身を含む): 32342328

約数和(自身を除く): 13623034

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2357, 3971, 4714, 7942, 25927, 44783, 51854, 89566, 492613, 850877, 985226, 1701754, 9359647, 18719294]

約数ペア:

[(1, 18719294), (2, 9359647), (11, 1701754), (19, 985226), (22, 850877), (38, 492613), (209, 89566), (361, 51854), (418, 44783), (722, 25927), (2357, 7942), (3971, 4714)]