2018172020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5310979}}^1$

素因数の和:5311007

約数の個数: 24

約数和(自身を含む): 4461223200

約数和(自身を除く): 2443051180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5310979, 10621958, 21243916, 26554895, 53109790, 100908601, 106219580, 201817202, 403634404, 504543005, 1009086010, 2018172020]

約数ペア:

[(1, 2018172020), (2, 1009086010), (4, 504543005), (5, 403634404), (10, 201817202), (19, 106219580), (20, 100908601), (38, 53109790), (76, 26554895), (95, 21243916), (190, 10621958), (380, 5310979)]