18478539

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 27977040

約数和(自身を除く): 9498501

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 853, 2407, 2559, 7221, 7677, 21663, 24737, 70799, 74211, 212397, 222633, 637191, 2053171, 6159513, 18478539]

約数ペア:

[(1, 18478539), (3, 6159513), (9, 2053171), (29, 637191), (83, 222633), (87, 212397), (249, 74211), (261, 70799), (747, 24737), (853, 21663), (2407, 7677), (2559, 7221)]