18833860

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4463}}^1$

素因数の和:4683

約数の個数: 24

約数和(自身を含む): 39747456

約数和(自身を除く): 20913596

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4463, 8926, 17852, 22315, 44630, 89260, 941693, 1883386, 3766772, 4708465, 9416930, 18833860]

約数ペア:

[(1, 18833860), (2, 9416930), (4, 4708465), (5, 3766772), (10, 1883386), (20, 941693), (211, 89260), (422, 44630), (844, 22315), (1055, 17852), (2110, 8926), (4220, 4463)]