18199893

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1451}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 25160256

約数和(自身を除く): 6960363

約数列:

[1, 3, 37, 111, 113, 339, 1451, 4181, 4353, 12543, 53687, 161061, 163963, 491889, 6066631, 18199893]

約数ペア:

[(1, 18199893), (3, 6066631), (37, 491889), (111, 163963), (113, 161061), (339, 53687), (1451, 12543), (4181, 4353)]