18853420

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1553}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 39682944

約数和(自身を除く): 20829524

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1553, 2428, 3035, 3106, 6070, 6212, 7765, 12140, 15530, 31060, 942671, 1885342, 3770684, 4713355, 9426710, 18853420]

約数ペア:

[(1, 18853420), (2, 9426710), (4, 4713355), (5, 3770684), (10, 1885342), (20, 942671), (607, 31060), (1214, 15530), (1553, 12140), (2428, 7765), (3035, 6212), (3106, 6070)]