18911002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7607}}^1$

素因数の和:7733

約数の個数: 16

約数和(自身を含む): 31223232

約数和(自身を除く): 12312230

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7607, 15214, 83677, 167354, 859591, 1719182, 9455501, 18911002]

約数ペア:

[(1, 18911002), (2, 9455501), (11, 1719182), (22, 859591), (113, 167354), (226, 83677), (1243, 15214), (2486, 7607)]