19866260

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1151}}^1$

素因数の和:2023

約数の個数: 24

約数和(自身を含む): 41803776

約数和(自身を除く): 21937516

約数列:

[1, 2, 4, 5, 10, 20, 863, 1151, 1726, 2302, 3452, 4315, 4604, 5755, 8630, 11510, 17260, 23020, 993313, 1986626, 3973252, 4966565, 9933130, 19866260]

約数ペア:

[(1, 19866260), (2, 9933130), (4, 4966565), (5, 3973252), (10, 1986626), (20, 993313), (863, 23020), (1151, 17260), (1726, 11510), (2302, 8630), (3452, 5755), (4315, 4604)]