18897392

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28807}}^1$

素因数の和:28856

約数の個数: 20

約数和(自身を含む): 37508016

約数和(自身を除く): 18610624

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28807, 57614, 115228, 230456, 460912, 1181087, 2362174, 4724348, 9448696, 18897392]

約数ペア:

[(1, 18897392), (2, 9448696), (4, 4724348), (8, 2362174), (16, 1181087), (41, 460912), (82, 230456), (164, 115228), (328, 57614), (656, 28807)]