18993831

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1303}}^1$

素因数の和:1462

約数の個数: 16

約数和(自身を含む): 26163456

約数和(自身を除く): 7169625

約数列:

[1, 3, 43, 113, 129, 339, 1303, 3909, 4859, 14577, 56029, 147239, 168087, 441717, 6331277, 18993831]

約数ペア:

[(1, 18993831), (3, 6331277), (43, 441717), (113, 168087), (129, 147239), (339, 56029), (1303, 14577), (3909, 4859)]