18156980060

素因数分解:

$2^2\times 5^1\times {\mathrm{2749}}^1\times {\mathrm{330247}}^1$

素因数の和:333005

約数の個数: 24

約数和(自身を含む): 38143644000

約数和(自身を除く): 19986663940

約数列:

[1, 2, 4, 5, 10, 20, 2749, 5498, 10996, 13745, 27490, 54980, 330247, 660494, 1320988, 1651235, 3302470, 6604940, 907849003, 1815698006, 3631396012, 4539245015, 9078490030, 18156980060]

約数ペア:

[(1, 18156980060), (2, 9078490030), (4, 4539245015), (5, 3631396012), (10, 1815698006), (20, 907849003), (2749, 6604940), (5498, 3302470), (10996, 1651235), (13745, 1320988), (27490, 660494), (54980, 330247)]