18189255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 33458688

約数和(自身を除く): 15269433

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 821, 1055, 1477, 2463, 3165, 4105, 4431, 5747, 7385, 12315, 17241, 22155, 28735, 86205, 173231, 519693, 866155, 1212617, 2598465, 3637851, 6063085, 18189255]

約数ペア:

[(1, 18189255), (3, 6063085), (5, 3637851), (7, 2598465), (15, 1212617), (21, 866155), (35, 519693), (105, 173231), (211, 86205), (633, 28735), (821, 22155), (1055, 17241), (1477, 12315), (2463, 7385), (3165, 5747), (4105, 4431)]