18820438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103409}}^1$

素因数の和:103431

約数の個数: 16

約数和(自身を含む): 34745760

約数和(自身を除く): 15925322

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 103409, 206818, 723863, 1344317, 1447726, 2688634, 9410219, 18820438]

約数ペア:

[(1, 18820438), (2, 9410219), (7, 2688634), (13, 1447726), (14, 1344317), (26, 723863), (91, 206818), (182, 103409)]