2018109020

素因数分解:

$2^2\times 5^1\times {\mathrm{5981}}^1\times {\mathrm{16871}}^1$

素因数の和:22861

約数の個数: 24

約数和(自身を含む): 4238988768

約数和(自身を除く): 2220879748

約数列:

[1, 2, 4, 5, 10, 20, 5981, 11962, 16871, 23924, 29905, 33742, 59810, 67484, 84355, 119620, 168710, 337420, 100905451, 201810902, 403621804, 504527255, 1009054510, 2018109020]

約数ペア:

[(1, 2018109020), (2, 1009054510), (4, 504527255), (5, 403621804), (10, 201810902), (20, 100905451), (5981, 337420), (11962, 168710), (16871, 119620), (23924, 84355), (29905, 67484), (33742, 59810)]