18639774

素因数分解:

$2^1\times 3^3\times {\mathrm{345181}}^1$

素因数の和:345192

約数の個数: 16

約数和(自身を含む): 41421840

約数和(自身を除く): 22782066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 345181, 690362, 1035543, 2071086, 3106629, 6213258, 9319887, 18639774]

約数ペア:

[(1, 18639774), (2, 9319887), (3, 6213258), (6, 3106629), (9, 2071086), (18, 1035543), (27, 690362), (54, 345181)]