18072857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 21246720

約数和(自身を除く): 3173863

約数列:

[1, 11, 19, 43, 209, 473, 817, 2011, 8987, 22121, 38209, 86473, 420299, 951203, 1642987, 18072857]

約数ペア:

[(1, 18072857), (11, 1642987), (19, 951203), (43, 420299), (209, 86473), (473, 38209), (817, 22121), (2011, 8987)]