18890238

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{11971}}^1$

素因数の和:12239

約数の個数: 16

約数和(自身を含む): 37927296

約数和(自身を除く): 19037058

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 11971, 23942, 35913, 71826, 3148373, 6296746, 9445119, 18890238]

約数ペア:

[(1, 18890238), (2, 9445119), (3, 6296746), (6, 3148373), (263, 71826), (526, 35913), (789, 23942), (1578, 11971)]