19134680

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1249}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 24065320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1249, 1532, 1915, 2498, 3064, 3830, 4996, 6245, 7660, 9992, 12490, 15320, 24980, 49960, 478367, 956734, 1913468, 2391835, 3826936, 4783670, 9567340, 19134680]

約数ペア:

[(1, 19134680), (2, 9567340), (4, 4783670), (5, 3826936), (8, 2391835), (10, 1913468), (20, 956734), (40, 478367), (383, 49960), (766, 24980), (1249, 15320), (1532, 12490), (1915, 9992), (2498, 7660), (3064, 6245), (3830, 4996)]