19256560

素因数分解:

$2^4\times 5^1\times {\mathrm{240707}}^1$

素因数の和:240720

約数の個数: 20

約数和(自身を含む): 44771688

約数和(自身を除く): 25515128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240707, 481414, 962828, 1203535, 1925656, 2407070, 3851312, 4814140, 9628280, 19256560]

約数ペア:

[(1, 19256560), (2, 9628280), (4, 4814140), (5, 3851312), (8, 2407070), (10, 1925656), (16, 1203535), (20, 962828), (40, 481414), (80, 240707)]