18757418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 11821270

約数列:

[1, 2, 31, 41, 47, 62, 82, 94, 157, 314, 1271, 1457, 1927, 2542, 2914, 3854, 4867, 6437, 7379, 9734, 12874, 14758, 59737, 119474, 199547, 228749, 302539, 399094, 457498, 605078, 9378709, 18757418]

約数ペア:

[(1, 18757418), (2, 9378709), (31, 605078), (41, 457498), (47, 399094), (62, 302539), (82, 228749), (94, 199547), (157, 119474), (314, 59737), (1271, 14758), (1457, 12874), (1927, 9734), (2542, 7379), (2914, 6437), (3854, 4867)]