17893840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4759}}^1$

素因数の和:4819

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 24603440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4759, 9518, 19036, 23795, 38072, 47590, 76144, 95180, 190360, 223673, 380720, 447346, 894692, 1118365, 1789384, 2236730, 3578768, 4473460, 8946920, 17893840]

約数ペア:

[(1, 17893840), (2, 8946920), (4, 4473460), (5, 3578768), (8, 2236730), (10, 1789384), (16, 1118365), (20, 894692), (40, 447346), (47, 380720), (80, 223673), (94, 190360), (188, 95180), (235, 76144), (376, 47590), (470, 38072), (752, 23795), (940, 19036), (1880, 9518), (3760, 4759)]