1999281808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{187339}}^1$

素因数の和:187399

約数の個数: 40

約数和(自身を含む): 4181428800

約数和(自身を除く): 2182146992

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 2668, 5336, 10672, 187339, 374678, 749356, 1498712, 2997424, 4308797, 5432831, 8617594, 10865662, 17235188, 21731324, 34470376, 43462648, 68940752, 86925296, 124955113, 249910226, 499820452, 999640904, 1999281808]

約数ペア:

[(1, 1999281808), (2, 999640904), (4, 499820452), (8, 249910226), (16, 124955113), (23, 86925296), (29, 68940752), (46, 43462648), (58, 34470376), (92, 21731324), (116, 17235188), (184, 10865662), (232, 8617594), (368, 5432831), (464, 4308797), (667, 2997424), (1334, 1498712), (2668, 749356), (5336, 374678), (10672, 187339)]