18695742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239689}}^1$

素因数の和:239707

約数の個数: 16

約数和(自身を含む): 40267920

約数和(自身を除く): 21572178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239689, 479378, 719067, 1438134, 3115957, 6231914, 9347871, 18695742]

約数ペア:

[(1, 18695742), (2, 9347871), (3, 6231914), (6, 3115957), (13, 1438134), (26, 719067), (39, 479378), (78, 239689)]