12874544

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18713}}^1$

素因数の和:18764

約数の個数: 20

約数和(自身を含む): 25525896

約数和(自身を除く): 12651352

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18713, 37426, 74852, 149704, 299408, 804659, 1609318, 3218636, 6437272, 12874544]

約数ペア:

[(1, 12874544), (2, 6437272), (4, 3218636), (8, 1609318), (16, 804659), (43, 299408), (86, 149704), (172, 74852), (344, 37426), (688, 18713)]