19497675320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2990441}}^1$

素因数の和:2990615

約数の個数: 32

約数和(自身を含む): 44138923920

約数和(自身を除く): 24641248600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 2990441, 5980882, 11961764, 14952205, 23923528, 29904410, 59808820, 119617640, 487441883, 974883766, 1949767532, 2437209415, 3899535064, 4874418830, 9748837660, 19497675320]

約数ペア:

[(1, 19497675320), (2, 9748837660), (4, 4874418830), (5, 3899535064), (8, 2437209415), (10, 1949767532), (20, 974883766), (40, 487441883), (163, 119617640), (326, 59808820), (652, 29904410), (815, 23923528), (1304, 14952205), (1630, 11961764), (3260, 5980882), (6520, 2990441)]