18887931218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{11831}}^1\times {\mathrm{61403}}^1$

素因数の和:73249

約数の個数: 16

約数和(自身を含む): 30514349376

約数和(自身を除く): 11626418158

約数列:

[1, 2, 13, 26, 11831, 23662, 61403, 122806, 153803, 307606, 798239, 1596478, 726458893, 1452917786, 9443965609, 18887931218]

約数ペア:

[(1, 18887931218), (2, 9443965609), (13, 1452917786), (26, 726458893), (11831, 1596478), (23662, 798239), (61403, 307606), (122806, 153803)]