19483659

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18503}}^1$

素因数の和:18528

約数の個数: 20

約数和(自身を含む): 31345776

約数和(自身を除く): 11862117

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18503, 55509, 166527, 240539, 499581, 721617, 1498743, 2164851, 6494553, 19483659]

約数ペア:

[(1, 19483659), (3, 6494553), (9, 2164851), (13, 1498743), (27, 721617), (39, 499581), (81, 240539), (117, 166527), (351, 55509), (1053, 18503)]