2018935780

素因数分解:

$2^2\times 5^1\times {\mathrm{7211}}^1\times {\mathrm{13999}}^1$

素因数の和:21219

約数の個数: 24

約数和(自身を含む): 4240656000

約数和(自身を除く): 2221720220

約数列:

[1, 2, 4, 5, 10, 20, 7211, 13999, 14422, 27998, 28844, 36055, 55996, 69995, 72110, 139990, 144220, 279980, 100946789, 201893578, 403787156, 504733945, 1009467890, 2018935780]

約数ペア:

[(1, 2018935780), (2, 1009467890), (4, 504733945), (5, 403787156), (10, 201893578), (20, 100946789), (7211, 279980), (13999, 144220), (14422, 139990), (27998, 72110), (28844, 69995), (36055, 55996)]