12808496

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18617}}^1$

素因数の和:18668

約数の個数: 20

約数和(自身を含む): 25394952

約数和(自身を除く): 12586456

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18617, 37234, 74468, 148936, 297872, 800531, 1601062, 3202124, 6404248, 12808496]

約数ペア:

[(1, 12808496), (2, 6404248), (4, 3202124), (8, 1601062), (16, 800531), (43, 297872), (86, 148936), (172, 74468), (344, 37234), (688, 18617)]