17880680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9511}}^1$

素因数の和:9569

約数の個数: 32

約数和(自身を含む): 41091840

約数和(自身を除く): 23211160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9511, 19022, 38044, 47555, 76088, 95110, 190220, 380440, 447017, 894034, 1788068, 2235085, 3576136, 4470170, 8940340, 17880680]

約数ペア:

[(1, 17880680), (2, 8940340), (4, 4470170), (5, 3576136), (8, 2235085), (10, 1788068), (20, 894034), (40, 447017), (47, 380440), (94, 190220), (188, 95110), (235, 76088), (376, 47555), (470, 38044), (940, 19022), (1880, 9511)]