18580172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5333}}^1$

素因数の和:5417

約数の個数: 24

約数和(自身を含む): 35545776

約数和(自身を除く): 16965604

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5333, 10666, 21332, 69329, 138658, 277316, 357311, 714622, 1429244, 4645043, 9290086, 18580172]

約数ペア:

[(1, 18580172), (2, 9290086), (4, 4645043), (13, 1429244), (26, 714622), (52, 357311), (67, 277316), (134, 138658), (268, 69329), (871, 21332), (1742, 10666), (3484, 5333)]