18163966

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 28098720

約数和(自身を除く): 9934754

約数列:

[1, 2, 37, 74, 389, 631, 778, 1262, 14393, 23347, 28786, 46694, 245459, 490918, 9081983, 18163966]

約数ペア:

[(1, 18163966), (2, 9081983), (37, 490918), (74, 245459), (389, 46694), (631, 28786), (778, 23347), (1262, 14393)]