17887180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11321}}^1$

素因数の和:11409

約数の個数: 24

約数和(自身を含む): 38041920

約数和(自身を除く): 20154740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11321, 22642, 45284, 56605, 113210, 226420, 894359, 1788718, 3577436, 4471795, 8943590, 17887180]

約数ペア:

[(1, 17887180), (2, 8943590), (4, 4471795), (5, 3577436), (10, 1788718), (20, 894359), (79, 226420), (158, 113210), (316, 56605), (395, 45284), (790, 22642), (1580, 11321)]