18478902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{236909}}^1$

素因数の和:236927

約数の個数: 16

約数和(自身を含む): 39800880

約数和(自身を除く): 21321978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 236909, 473818, 710727, 1421454, 3079817, 6159634, 9239451, 18478902]

約数ペア:

[(1, 18478902), (2, 9239451), (3, 6159634), (6, 3079817), (13, 1421454), (26, 710727), (39, 473818), (78, 236909)]