18996604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2237}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 36470448

約数和(自身を除く): 17473844

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2237, 4246, 4474, 8492, 8948, 24607, 49214, 98428, 431741, 863482, 1726964, 4749151, 9498302, 18996604]

約数ペア:

[(1, 18996604), (2, 9498302), (4, 4749151), (11, 1726964), (22, 863482), (44, 431741), (193, 98428), (386, 49214), (772, 24607), (2123, 8948), (2237, 8492), (4246, 4474)]