19867450

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2017}}^1$

素因数の和:2226

約数の個数: 24

約数和(自身を含む): 37159452

約数和(自身を除く): 17292002

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 2017, 4034, 4925, 9850, 10085, 20170, 50425, 100850, 397349, 794698, 1986745, 3973490, 9933725, 19867450]

約数ペア:

[(1, 19867450), (2, 9933725), (5, 3973490), (10, 1986745), (25, 794698), (50, 397349), (197, 100850), (394, 50425), (985, 20170), (1970, 10085), (2017, 9850), (4034, 4925)]