18049995

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 31451472

約数和(自身を除く): 13401477

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 1901, 3165, 5703, 9495, 9505, 17109, 28515, 85545, 401111, 1203333, 2005555, 3609999, 6016665, 18049995]

約数ペア:

[(1, 18049995), (3, 6016665), (5, 3609999), (9, 2005555), (15, 1203333), (45, 401111), (211, 85545), (633, 28515), (1055, 17109), (1899, 9505), (1901, 9495), (3165, 5703)]