17902120

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{919}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 40406400

約数和(自身を除く): 22504280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 919, 974, 1838, 1948, 2435, 3676, 3896, 4595, 4870, 7352, 9190, 9740, 18380, 19480, 36760, 447553, 895106, 1790212, 2237765, 3580424, 4475530, 8951060, 17902120]

約数ペア:

[(1, 17902120), (2, 8951060), (4, 4475530), (5, 3580424), (8, 2237765), (10, 1790212), (20, 895106), (40, 447553), (487, 36760), (919, 19480), (974, 18380), (1838, 9740), (1948, 9190), (2435, 7352), (3676, 4870), (3896, 4595)]