18956522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3701}}^1$

素因数の和:3913

約数の個数: 16

約数和(自身を含む): 30785832

約数和(自身を除く): 11829310

約数列:

[1, 2, 13, 26, 197, 394, 2561, 3701, 5122, 7402, 48113, 96226, 729097, 1458194, 9478261, 18956522]

約数ペア:

[(1, 18956522), (2, 9478261), (13, 1458194), (26, 729097), (197, 96226), (394, 48113), (2561, 7402), (3701, 5122)]