18722896

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28541}}^1$

素因数の和:28590

約数の個数: 20

約数和(自身を含む): 37161684

約数和(自身を除く): 18438788

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28541, 57082, 114164, 228328, 456656, 1170181, 2340362, 4680724, 9361448, 18722896]

約数ペア:

[(1, 18722896), (2, 9361448), (4, 4680724), (8, 2340362), (16, 1170181), (41, 456656), (82, 228328), (164, 114164), (328, 57082), (656, 28541)]