18865996

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 33616800

約数和(自身を除く): 14750804

約数列:

[1, 2, 4, 137, 173, 199, 274, 346, 398, 548, 692, 796, 23701, 27263, 34427, 47402, 54526, 68854, 94804, 109052, 137708, 4716499, 9432998, 18865996]

約数ペア:

[(1, 18865996), (2, 9432998), (4, 4716499), (137, 137708), (173, 109052), (199, 94804), (274, 68854), (346, 54526), (398, 47402), (548, 34427), (692, 27263), (796, 23701)]