18729230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144071}}^1$

素因数の和:144091

約数の個数: 16

約数和(自身を含む): 36306144

約数和(自身を除く): 17576914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 144071, 288142, 720355, 1440710, 1872923, 3745846, 9364615, 18729230]

約数ペア:

[(1, 18729230), (2, 9364615), (5, 3745846), (10, 1872923), (13, 1440710), (26, 720355), (65, 288142), (130, 144071)]