18222218

素因数分解:

$2^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 14091382

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 263, 343, 526, 686, 707, 1414, 1841, 3682, 4949, 9898, 12887, 25774, 26563, 34643, 53126, 69286, 90209, 180418, 185941, 371882, 1301587, 2603174, 9111109, 18222218]

約数ペア:

[(1, 18222218), (2, 9111109), (7, 2603174), (14, 1301587), (49, 371882), (98, 185941), (101, 180418), (202, 90209), (263, 69286), (343, 53126), (526, 34643), (686, 26563), (707, 25774), (1414, 12887), (1841, 9898), (3682, 4949)]