19427360

素因数分解:

$2^5\times 5^1\times {\mathrm{121421}}^1$

素因数の和:121436

約数の個数: 24

約数和(自身を含む): 45897516

約数和(自身を除く): 26470156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121421, 242842, 485684, 607105, 971368, 1214210, 1942736, 2428420, 3885472, 4856840, 9713680, 19427360]

約数ペア:

[(1, 19427360), (2, 9713680), (4, 4856840), (5, 3885472), (8, 2428420), (10, 1942736), (16, 1214210), (20, 971368), (32, 607105), (40, 485684), (80, 242842), (160, 121421)]