18707788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1093}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 35839440

約数和(自身を除く): 17131652

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1093, 1556, 2186, 4279, 4372, 8558, 12023, 17116, 24046, 48092, 425177, 850354, 1700708, 4676947, 9353894, 18707788]

約数ペア:

[(1, 18707788), (2, 9353894), (4, 4676947), (11, 1700708), (22, 850354), (44, 425177), (389, 48092), (778, 24046), (1093, 17116), (1556, 12023), (2186, 8558), (4279, 4372)]