18504805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 24390144

約数和(自身を除く): 5885339

約数列:

[1, 5, 11, 55, 157, 785, 1727, 2143, 8635, 10715, 23573, 117865, 336451, 1682255, 3700961, 18504805]

約数ペア:

[(1, 18504805), (5, 3700961), (11, 1682255), (55, 336451), (157, 117865), (785, 23573), (1727, 10715), (2143, 8635)]