19981129055

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2037851}}^1$

素因数の和:2037946

約数の個数: 16

約数和(自身を含む): 25090033824

約数和(自身を除く): 5108904769

約数列:

[1, 5, 37, 53, 185, 265, 1961, 9805, 2037851, 10189255, 75400487, 108006103, 377002435, 540030515, 3996225811, 19981129055]

約数ペア:

[(1, 19981129055), (5, 3996225811), (37, 540030515), (53, 377002435), (185, 108006103), (265, 75400487), (1961, 10189255), (9805, 2037851)]