2018095820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7761907}}^1$

素因数の和:7761929

約数の個数: 24

約数和(自身を含む): 4564001904

約数和(自身を除く): 2545906084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7761907, 15523814, 31047628, 38809535, 77619070, 100904791, 155238140, 201809582, 403619164, 504523955, 1009047910, 2018095820]

約数ペア:

[(1, 2018095820), (2, 1009047910), (4, 504523955), (5, 403619164), (10, 201809582), (13, 155238140), (20, 100904791), (26, 77619070), (52, 38809535), (65, 31047628), (130, 15523814), (260, 7761907)]