18209037

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11261}}^1$

素因数の和:11289

約数の個数: 24

約数和(自身を含む): 30812832

約数和(自身を除く): 12603795

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11261, 33783, 78827, 123871, 236481, 371613, 551789, 867097, 1655367, 2601291, 6069679, 18209037]

約数ペア:

[(1, 18209037), (3, 6069679), (7, 2601291), (11, 1655367), (21, 867097), (33, 551789), (49, 371613), (77, 236481), (147, 123871), (231, 78827), (539, 33783), (1617, 11261)]