18778821616

素因数分解:

$2^4\times {\mathrm{1173676351}}^1$

素因数の和:1173676359

約数の個数: 10

約数和(自身を含む): 36383966912

約数和(自身を除く): 17605145296

約数列:

[1, 2, 4, 8, 16, 1173676351, 2347352702, 4694705404, 9389410808, 18778821616]

約数ペア:

[(1, 18778821616), (2, 9389410808), (4, 4694705404), (8, 2347352702), (16, 1173676351)]