18720484

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 33516000

約数和(自身を除く): 14795516

約数列:

[1, 2, 4, 83, 113, 166, 226, 332, 452, 499, 998, 1996, 9379, 18758, 37516, 41417, 56387, 82834, 112774, 165668, 225548, 4680121, 9360242, 18720484]

約数ペア:

[(1, 18720484), (2, 9360242), (4, 4680121), (83, 225548), (113, 165668), (166, 112774), (226, 82834), (332, 56387), (452, 41417), (499, 37516), (998, 18758), (1996, 9379)]