19808679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5507}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 9273561

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5507, 16521, 60577, 181731, 600263, 1800789, 6602893, 19808679]

約数ペア:

[(1, 19808679), (3, 6602893), (11, 1800789), (33, 600263), (109, 181731), (327, 60577), (1199, 16521), (3597, 5507)]