18156965560

素因数分解:

$2^3\times 5^1\times {\mathrm{453924139}}^1$

素因数の和:453924150

約数の個数: 16

約数和(自身を含む): 40853172600

約数和(自身を除く): 22696207040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453924139, 907848278, 1815696556, 2269620695, 3631393112, 4539241390, 9078482780, 18156965560]

約数ペア:

[(1, 18156965560), (2, 9078482780), (4, 4539241390), (5, 3631393112), (8, 2269620695), (10, 1815696556), (20, 907848278), (40, 453924139)]