18806864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28669}}^1$

素因数の和:28718

約数の個数: 20

約数和(自身を含む): 37328340

約数和(自身を除く): 18521476

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28669, 57338, 114676, 229352, 458704, 1175429, 2350858, 4701716, 9403432, 18806864]

約数ペア:

[(1, 18806864), (2, 9403432), (4, 4701716), (8, 2350858), (16, 1175429), (41, 458704), (82, 229352), (164, 114676), (328, 57338), (656, 28669)]