1867780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 4007808

約数和(自身を除く): 2140028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1987, 3974, 7948, 9935, 19870, 39740, 93389, 186778, 373556, 466945, 933890, 1867780]

約数ペア:

[(1, 1867780), (2, 933890), (4, 466945), (5, 373556), (10, 186778), (20, 93389), (47, 39740), (94, 19870), (188, 9935), (235, 7948), (470, 3974), (940, 1987)]