18998416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28961}}^1$

素因数の和:29010

約数の個数: 20

約数和(自身を含む): 37708524

約数和(自身を除く): 18710108

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28961, 57922, 115844, 231688, 463376, 1187401, 2374802, 4749604, 9499208, 18998416]

約数ペア:

[(1, 18998416), (2, 9499208), (4, 4749604), (8, 2374802), (16, 1187401), (41, 463376), (82, 231688), (164, 115844), (328, 57922), (656, 28961)]