18840887

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 21540288

約数和(自身を除く): 2699401

約数列:

[1, 13, 23, 61, 299, 793, 1033, 1403, 13429, 18239, 23759, 63013, 308867, 819169, 1449299, 18840887]

約数ペア:

[(1, 18840887), (13, 1449299), (23, 819169), (61, 308867), (299, 63013), (793, 23759), (1033, 18239), (1403, 13429)]