19161580

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5737}}^1$

素因数の和:5913

約数の個数: 24

約数和(自身を含む): 40487328

約数和(自身を除く): 21325748

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5737, 11474, 22948, 28685, 57370, 114740, 958079, 1916158, 3832316, 4790395, 9580790, 19161580]

約数ペア:

[(1, 19161580), (2, 9580790), (4, 4790395), (5, 3832316), (10, 1916158), (20, 958079), (167, 114740), (334, 57370), (668, 28685), (835, 22948), (1670, 11474), (3340, 5737)]