18123845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 22438080

約数和(自身を除く): 4314235

約数列:

[1, 5, 41, 205, 211, 419, 1055, 2095, 8651, 17179, 43255, 85895, 88409, 442045, 3624769, 18123845]

約数ペア:

[(1, 18123845), (5, 3624769), (41, 442045), (205, 88409), (211, 85895), (419, 43255), (1055, 17179), (2095, 8651)]