19212280

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1051}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 43363440

約数和(自身を除く): 24151160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1051, 1828, 2102, 2285, 3656, 4204, 4570, 5255, 8408, 9140, 10510, 18280, 21020, 42040, 480307, 960614, 1921228, 2401535, 3842456, 4803070, 9606140, 19212280]

約数ペア:

[(1, 19212280), (2, 9606140), (4, 4803070), (5, 3842456), (8, 2401535), (10, 1921228), (20, 960614), (40, 480307), (457, 42040), (914, 21020), (1051, 18280), (1828, 10510), (2102, 9140), (2285, 8408), (3656, 5255), (4204, 4570)]