2018018840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{607837}}^1$

素因数の和:607931

約数の個数: 32

約数和(自身を含む): 4595255280

約数和(自身を除く): 2577236440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 607837, 1215674, 2431348, 3039185, 4862696, 6078370, 12156740, 24313480, 50450471, 100900942, 201801884, 252252355, 403603768, 504504710, 1009009420, 2018018840]

約数ペア:

[(1, 2018018840), (2, 1009009420), (4, 504504710), (5, 403603768), (8, 252252355), (10, 201801884), (20, 100900942), (40, 50450471), (83, 24313480), (166, 12156740), (332, 6078370), (415, 4862696), (664, 3039185), (830, 2431348), (1660, 1215674), (3320, 607837)]