18466480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12149}}^1$

素因数の和:12181

約数の個数: 40

約数和(自身を含む): 45198000

約数和(自身を除く): 26731520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12149, 24298, 48596, 60745, 97192, 121490, 194384, 230831, 242980, 461662, 485960, 923324, 971920, 1154155, 1846648, 2308310, 3693296, 4616620, 9233240, 18466480]

約数ペア:

[(1, 18466480), (2, 9233240), (4, 4616620), (5, 3693296), (8, 2308310), (10, 1846648), (16, 1154155), (19, 971920), (20, 923324), (38, 485960), (40, 461662), (76, 242980), (80, 230831), (95, 194384), (152, 121490), (190, 97192), (304, 60745), (380, 48596), (760, 24298), (1520, 12149)]