18302339

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 18

約数和(自身を含む): 21282660

約数和(自身を除く): 2980321

約数列:

[1, 11, 19, 121, 209, 361, 419, 2299, 3971, 4609, 7961, 43681, 50699, 87571, 151259, 963281, 1663849, 18302339]

約数ペア:

[(1, 18302339), (11, 1663849), (19, 963281), (121, 151259), (209, 87571), (361, 50699), (419, 43681), (2299, 7961), (3971, 4609)]