19438666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17387}}^1$

素因数の和:17445

約数の個数: 16

約数和(自身を含む): 32133024

約数和(自身を除く): 12694358

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17387, 34774, 226031, 452062, 747641, 1495282, 9719333, 19438666]

約数ペア:

[(1, 19438666), (2, 9719333), (13, 1495282), (26, 747641), (43, 452062), (86, 226031), (559, 34774), (1118, 17387)]