18976840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20627}}^1$

素因数の和:20661

約数の個数: 32

約数和(自身を含む): 44556480

約数和(自身を除く): 25579640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20627, 41254, 82508, 103135, 165016, 206270, 412540, 474421, 825080, 948842, 1897684, 2372105, 3795368, 4744210, 9488420, 18976840]

約数ペア:

[(1, 18976840), (2, 9488420), (4, 4744210), (5, 3795368), (8, 2372105), (10, 1897684), (20, 948842), (23, 825080), (40, 474421), (46, 412540), (92, 206270), (115, 165016), (184, 103135), (230, 82508), (460, 41254), (920, 20627)]