27778190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13291}}^1$

素因数の和:13328

約数の個数: 32

約数和(自身を含む): 57421440

約数和(自身を除く): 29643250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13291, 26582, 66455, 132910, 146201, 252529, 292402, 505058, 731005, 1262645, 1462010, 2525290, 2777819, 5555638, 13889095, 27778190]

約数ペア:

[(1, 27778190), (2, 13889095), (5, 5555638), (10, 2777819), (11, 2525290), (19, 1462010), (22, 1262645), (38, 731005), (55, 505058), (95, 292402), (110, 252529), (190, 146201), (209, 132910), (418, 66455), (1045, 26582), (2090, 13291)]