2018930252980

素因数分解:

$2^2\times 5^1\times {\mathrm{47911}}^1\times {\mathrm{2106959}}^1$

素因数の和:2154879

約数の個数: 24

約数和(自身を含む): 4239844035840

約数和(自身を除く): 2220913782860

約数列:

[1, 2, 4, 5, 10, 20, 47911, 95822, 191644, 239555, 479110, 958220, 2106959, 4213918, 8427836, 10534795, 21069590, 42139180, 100946512649, 201893025298, 403786050596, 504732563245, 1009465126490, 2018930252980]

約数ペア:

[(1, 2018930252980), (2, 1009465126490), (4, 504732563245), (5, 403786050596), (10, 201893025298), (20, 100946512649), (47911, 42139180), (95822, 21069590), (191644, 10534795), (239555, 8427836), (479110, 4213918), (958220, 2106959)]