18411020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15091}}^1$

素因数の和:15161

約数の個数: 24

約数和(自身を含む): 39299568

約数和(自身を除く): 20888548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15091, 30182, 60364, 75455, 150910, 301820, 920551, 1841102, 3682204, 4602755, 9205510, 18411020]

約数ペア:

[(1, 18411020), (2, 9205510), (4, 4602755), (5, 3682204), (10, 1841102), (20, 920551), (61, 301820), (122, 150910), (244, 75455), (305, 60364), (610, 30182), (1220, 15091)]