19458704

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28283}}^1$

素因数の和:28334

約数の個数: 20

約数和(自身を含む): 38579376

約数和(自身を除く): 19120672

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28283, 56566, 113132, 226264, 452528, 1216169, 2432338, 4864676, 9729352, 19458704]

約数ペア:

[(1, 19458704), (2, 9729352), (4, 4864676), (8, 2432338), (16, 1216169), (43, 452528), (86, 226264), (172, 113132), (344, 56566), (688, 28283)]