18290043

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{647}}^1$

素因数の和:1008

約数の個数: 20

約数和(自身を含む): 27442800

約数和(自身を除く): 9152757

約数列:

[1, 3, 9, 27, 81, 349, 647, 1047, 1941, 3141, 5823, 9423, 17469, 28269, 52407, 225803, 677409, 2032227, 6096681, 18290043]

約数ペア:

[(1, 18290043), (3, 6096681), (9, 2032227), (27, 677409), (81, 225803), (349, 52407), (647, 28269), (1047, 17469), (1941, 9423), (3141, 5823)]