18156920560

素因数分解:

$2^4\times 5^1\times {\mathrm{226961507}}^1$

素因数の和:226961520

約数の個数: 20

約数和(自身を含む): 42214840488

約数和(自身を除く): 24057919928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226961507, 453923014, 907846028, 1134807535, 1815692056, 2269615070, 3631384112, 4539230140, 9078460280, 18156920560]

約数ペア:

[(1, 18156920560), (2, 9078460280), (4, 4539230140), (5, 3631384112), (8, 2269615070), (10, 1815692056), (16, 1134807535), (20, 907846028), (40, 453923014), (80, 226961507)]