18901413

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1831}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 28960256

約数和(自身を除く): 10058843

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 1831, 3441, 5493, 10323, 16479, 56761, 67747, 170283, 203241, 510849, 609723, 2100157, 6300471, 18901413]

約数ペア:

[(1, 18901413), (3, 6300471), (9, 2100157), (31, 609723), (37, 510849), (93, 203241), (111, 170283), (279, 67747), (333, 56761), (1147, 16479), (1831, 10323), (3441, 5493)]