19907050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13729}}^1$

素因数の和:13770

約数の個数: 24

約数和(自身を含む): 38306700

約数和(自身を除く): 18399650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13729, 27458, 68645, 137290, 343225, 398141, 686450, 796282, 1990705, 3981410, 9953525, 19907050]

約数ペア:

[(1, 19907050), (2, 9953525), (5, 3981410), (10, 1990705), (25, 796282), (29, 686450), (50, 398141), (58, 343225), (145, 137290), (290, 68645), (725, 27458), (1450, 13729)]