18027995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1231}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 4591525

約数列:

[1, 5, 29, 101, 145, 505, 1231, 2929, 6155, 14645, 35699, 124331, 178495, 621655, 3605599, 18027995]

約数ペア:

[(1, 18027995), (5, 3605599), (29, 621655), (101, 178495), (145, 124331), (505, 35699), (1231, 14645), (2929, 6155)]