18941180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23099}}^1$

素因数の和:23149

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 21807220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23099, 46198, 92396, 115495, 230990, 461980, 947059, 1894118, 3788236, 4735295, 9470590, 18941180]

約数ペア:

[(1, 18941180), (2, 9470590), (4, 4735295), (5, 3788236), (10, 1894118), (20, 947059), (41, 461980), (82, 230990), (164, 115495), (205, 92396), (410, 46198), (820, 23099)]