18922838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 32199552

約数和(自身を除く): 13276714

約数列:

[1, 2, 11, 22, 43, 83, 86, 166, 241, 473, 482, 913, 946, 1826, 2651, 3569, 5302, 7138, 10363, 20003, 20726, 39259, 40006, 78518, 113993, 220033, 227986, 440066, 860129, 1720258, 9461419, 18922838]

約数ペア:

[(1, 18922838), (2, 9461419), (11, 1720258), (22, 860129), (43, 440066), (83, 227986), (86, 220033), (166, 113993), (241, 78518), (473, 40006), (482, 39259), (913, 20726), (946, 20003), (1826, 10363), (2651, 7138), (3569, 5302)]