18786920

素因数分解:

$2^3\times 5^1\times {\mathrm{469673}}^1$

素因数の和:469684

約数の個数: 16

約数和(自身を含む): 42270660

約数和(自身を除く): 23483740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 469673, 939346, 1878692, 2348365, 3757384, 4696730, 9393460, 18786920]

約数ペア:

[(1, 18786920), (2, 9393460), (4, 4696730), (5, 3757384), (8, 2348365), (10, 1878692), (20, 939346), (40, 469673)]