19142680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28151}}^1$

素因数の和:28179

約数の個数: 32

約数和(自身を含む): 45606240

約数和(自身を除く): 26463560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28151, 56302, 112604, 140755, 225208, 281510, 478567, 563020, 957134, 1126040, 1914268, 2392835, 3828536, 4785670, 9571340, 19142680]

約数ペア:

[(1, 19142680), (2, 9571340), (4, 4785670), (5, 3828536), (8, 2392835), (10, 1914268), (17, 1126040), (20, 957134), (34, 563020), (40, 478567), (68, 281510), (85, 225208), (136, 140755), (170, 112604), (340, 56302), (680, 28151)]