18452180

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5333}}^1$

素因数の和:5515

約数の個数: 24

約数和(自身を含む): 38980872

約数和(自身を除く): 20528692

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5333, 10666, 21332, 26665, 53330, 106660, 922609, 1845218, 3690436, 4613045, 9226090, 18452180]

約数ペア:

[(1, 18452180), (2, 9226090), (4, 4613045), (5, 3690436), (10, 1845218), (20, 922609), (173, 106660), (346, 53330), (692, 26665), (865, 21332), (1730, 10666), (3460, 5333)]