2019911690

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1\times {\mathrm{2411}}^1$

素因数の和:3038

約数の個数: 32

約数和(自身を含む): 3664310400

約数和(自身を除く): 1644398710

約数列:

[1, 2, 5, 10, 199, 398, 421, 842, 995, 1990, 2105, 2411, 4210, 4822, 12055, 24110, 83779, 167558, 418895, 479789, 837790, 959578, 1015031, 2030062, 2398945, 4797890, 5075155, 10150310, 201991169, 403982338, 1009955845, 2019911690]

約数ペア:

[(1, 2019911690), (2, 1009955845), (5, 403982338), (10, 201991169), (199, 10150310), (398, 5075155), (421, 4797890), (842, 2398945), (995, 2030062), (1990, 1015031), (2105, 959578), (2411, 837790), (4210, 479789), (4822, 418895), (12055, 167558), (24110, 83779)]