19923925

素因数分解:

$5^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 28408896

約数和(自身を除く): 8484971

約数列:

[1, 5, 7, 25, 35, 175, 257, 443, 1285, 1799, 2215, 3101, 6425, 8995, 11075, 15505, 44975, 77525, 113851, 569255, 796957, 2846275, 3984785, 19923925]

約数ペア:

[(1, 19923925), (5, 3984785), (7, 2846275), (25, 796957), (35, 569255), (175, 113851), (257, 77525), (443, 44975), (1285, 15505), (1799, 11075), (2215, 8995), (3101, 6425)]