20186975990

素因数分解:

$2^1\times 5^1\times {\mathrm{7901}}^1\times {\mathrm{255499}}^1$

素因数の和:263407

約数の個数: 16

約数和(自身を含む): 36341298000

約数和(自身を除く): 16154322010

約数列:

[1, 2, 5, 10, 7901, 15802, 39505, 79010, 255499, 510998, 1277495, 2554990, 2018697599, 4037395198, 10093487995, 20186975990]

約数ペア:

[(1, 20186975990), (2, 10093487995), (5, 4037395198), (10, 2018697599), (7901, 2554990), (15802, 1277495), (39505, 510998), (79010, 255499)]