18972842

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15227}}^1$

素因数の和:15325

約数の個数: 16

約数和(自身を含む): 32892480

約数和(自身を除く): 13919638

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 15227, 30454, 106589, 213178, 1355203, 2710406, 9486421, 18972842]

約数ペア:

[(1, 18972842), (2, 9486421), (7, 2710406), (14, 1355203), (89, 213178), (178, 106589), (623, 30454), (1246, 15227)]