18903910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23929}}^1$

素因数の和:24015

約数の個数: 16

約数和(自身を含む): 34459200

約数和(自身を除く): 15555290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 23929, 47858, 119645, 239290, 1890391, 3780782, 9451955, 18903910]

約数ペア:

[(1, 18903910), (2, 9451955), (5, 3780782), (10, 1890391), (79, 239290), (158, 119645), (395, 47858), (790, 23929)]