18880148161

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{230389}}^1$

素因数の和:230928

約数の個数: 16

約数和(自身を含む): 22559788800

約数和(自身を除く): 3679640639

約数列:

[1, 7, 23, 161, 509, 3563, 11707, 81949, 230389, 1612723, 5298947, 37092629, 117268001, 820876007, 2697164023, 18880148161]

約数ペア:

[(1, 18880148161), (7, 2697164023), (23, 820876007), (161, 117268001), (509, 37092629), (3563, 5298947), (11707, 1612723), (81949, 230389)]