18861156

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7177}}^1$

素因数の和:7260

約数の個数: 36

約数和(自身を含む): 48336652

約数和(自身を除く): 29475496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7177, 14354, 21531, 28708, 43062, 64593, 86124, 129186, 258372, 523921, 1047842, 1571763, 2095684, 3143526, 4715289, 6287052, 9430578, 18861156]

約数ペア:

[(1, 18861156), (2, 9430578), (3, 6287052), (4, 4715289), (6, 3143526), (9, 2095684), (12, 1571763), (18, 1047842), (36, 523921), (73, 258372), (146, 129186), (219, 86124), (292, 64593), (438, 43062), (657, 28708), (876, 21531), (1314, 14354), (2628, 7177)]