18172826

素因数分解:

$2^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 32400000

約数和(自身を除く): 14227174

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 343, 413, 449, 686, 826, 898, 2891, 3143, 5782, 6286, 20237, 22001, 26491, 40474, 44002, 52982, 154007, 185437, 308014, 370874, 1298059, 2596118, 9086413, 18172826]

約数ペア:

[(1, 18172826), (2, 9086413), (7, 2596118), (14, 1298059), (49, 370874), (59, 308014), (98, 185437), (118, 154007), (343, 52982), (413, 44002), (449, 40474), (686, 26491), (826, 22001), (898, 20237), (2891, 6286), (3143, 5782)]