19438926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{249217}}^1$

素因数の和:249235

約数の個数: 16

約数和(自身を含む): 41868624

約数和(自身を除く): 22429698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 249217, 498434, 747651, 1495302, 3239821, 6479642, 9719463, 19438926]

約数ペア:

[(1, 19438926), (2, 9719463), (3, 6479642), (6, 3239821), (13, 1495302), (26, 747651), (39, 498434), (78, 249217)]