18705868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 33992672

約数和(自身を除く): 15286804

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1303, 2606, 3589, 5212, 7178, 14356, 48211, 96422, 126391, 192844, 252782, 505564, 4676467, 9352934, 18705868]

約数ペア:

[(1, 18705868), (2, 9352934), (4, 4676467), (37, 505564), (74, 252782), (97, 192844), (148, 126391), (194, 96422), (388, 48211), (1303, 14356), (2606, 7178), (3589, 5212)]