19697950

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2609}}^1$

素因数の和:2772

約数の個数: 24

約数和(自身を含む): 36894960

約数和(自身を除く): 17197010

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 2609, 3775, 5218, 7550, 13045, 26090, 65225, 130450, 393959, 787918, 1969795, 3939590, 9848975, 19697950]

約数ペア:

[(1, 19697950), (2, 9848975), (5, 3939590), (10, 1969795), (25, 787918), (50, 393959), (151, 130450), (302, 65225), (755, 26090), (1510, 13045), (2609, 7550), (3775, 5218)]