19397740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42169}}^1$

素因数の和:42201

約数の個数: 24

約数和(自身を含む): 42507360

約数和(自身を除く): 23109620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42169, 84338, 168676, 210845, 421690, 843380, 969887, 1939774, 3879548, 4849435, 9698870, 19397740]

約数ペア:

[(1, 19397740), (2, 9698870), (4, 4849435), (5, 3879548), (10, 1939774), (20, 969887), (23, 843380), (46, 421690), (92, 210845), (115, 168676), (230, 84338), (460, 42169)]