19716220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10163}}^1$

素因数の和:10269

約数の個数: 24

約数和(自身を含む): 41835024

約数和(自身を除く): 22118804

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10163, 20326, 40652, 50815, 101630, 203260, 985811, 1971622, 3943244, 4929055, 9858110, 19716220]

約数ペア:

[(1, 19716220), (2, 9858110), (4, 4929055), (5, 3943244), (10, 1971622), (20, 985811), (97, 203260), (194, 101630), (388, 50815), (485, 40652), (970, 20326), (1940, 10163)]