18708170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143909}}^1$

素因数の和:143929

約数の個数: 16

約数和(自身を含む): 36265320

約数和(自身を除く): 17557150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143909, 287818, 719545, 1439090, 1870817, 3741634, 9354085, 18708170]

約数ペア:

[(1, 18708170), (2, 9354085), (5, 3741634), (10, 1870817), (13, 1439090), (26, 719545), (65, 287818), (130, 143909)]