18775419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10243}}^1$

素因数の和:10306

約数の個数: 16

約数和(自身を含む): 27535872

約数和(自身を除く): 8760453

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10243, 30729, 133159, 399477, 481421, 1444263, 6258473, 18775419]

約数ペア:

[(1, 18775419), (3, 6258473), (13, 1444263), (39, 481421), (47, 399477), (141, 133159), (611, 30729), (1833, 10243)]