19366940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31237}}^1$

素因数の和:31277

約数の個数: 24

約数和(自身を含む): 41983872

約数和(自身を除く): 22616932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31237, 62474, 124948, 156185, 312370, 624740, 968347, 1936694, 3873388, 4841735, 9683470, 19366940]

約数ペア:

[(1, 19366940), (2, 9683470), (4, 4841735), (5, 3873388), (10, 1936694), (20, 968347), (31, 624740), (62, 312370), (124, 156185), (155, 124948), (310, 62474), (620, 31237)]