18840198958

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12346133}}^1$

素因数の和:12346251

約数の個数: 16

約数和(自身を含む): 32593793760

約数和(自身を除く): 13753594802

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 12346133, 24692266, 86422931, 172845862, 1345728497, 2691456994, 9420099479, 18840198958]

約数ペア:

[(1, 18840198958), (2, 9420099479), (7, 2691456994), (14, 1345728497), (109, 172845862), (218, 86422931), (763, 24692266), (1526, 12346133)]