18481340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19661}}^1$

素因数の和:19717

約数の個数: 24

約数和(自身を含む): 39638592

約数和(自身を除く): 21157252

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19661, 39322, 78644, 98305, 196610, 393220, 924067, 1848134, 3696268, 4620335, 9240670, 18481340]

約数ペア:

[(1, 18481340), (2, 9240670), (4, 4620335), (5, 3696268), (10, 1848134), (20, 924067), (47, 393220), (94, 196610), (188, 98305), (235, 78644), (470, 39322), (940, 19661)]