2019985090

素因数分解:

$2^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{102071}}^1$

素因数の和:104057

約数の個数: 16

約数和(自身を含む): 3637846080

約数和(自身を除く): 1617860990

約数列:

[1, 2, 5, 10, 1979, 3958, 9895, 19790, 102071, 204142, 510355, 1020710, 201998509, 403997018, 1009992545, 2019985090]

約数ペア:

[(1, 2019985090), (2, 1009992545), (5, 403997018), (10, 201998509), (1979, 1020710), (3958, 510355), (9895, 204142), (19790, 102071)]