18163408

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8167}}^1$

素因数の和:8314

約数の個数: 20

約数和(自身を含む): 35449120

約数和(自身を除く): 17285712

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8167, 16334, 32668, 65336, 130672, 1135213, 2270426, 4540852, 9081704, 18163408]

約数ペア:

[(1, 18163408), (2, 9081704), (4, 4540852), (8, 2270426), (16, 1135213), (139, 130672), (278, 65336), (556, 32668), (1112, 16334), (2224, 8167)]