18009667

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 21934080

約数和(自身を除く): 3924413

約数列:

[1, 13, 23, 29, 31, 67, 299, 377, 403, 667, 713, 871, 899, 1541, 1943, 2077, 8671, 9269, 11687, 20033, 20677, 25259, 27001, 44689, 47771, 60233, 268801, 580957, 621023, 783029, 1385359, 18009667]

約数ペア:

[(1, 18009667), (13, 1385359), (23, 783029), (29, 621023), (31, 580957), (67, 268801), (299, 60233), (377, 47771), (403, 44689), (667, 27001), (713, 25259), (871, 20677), (899, 20033), (1541, 11687), (1943, 9269), (2077, 8671)]