18663385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9948

約数の個数: 16

約数和(自身を含む): 24953040

約数和(自身を除く): 6289655

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 9901, 49505, 128713, 287129, 643565, 1435645, 3732677, 18663385]

約数ペア:

[(1, 18663385), (5, 3732677), (13, 1435645), (29, 643565), (65, 287129), (145, 128713), (377, 49505), (1885, 9901)]