18426428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{242453}}^1$

素因数の和:242476

約数の個数: 12

約数和(自身を含む): 33943560

約数和(自身を除く): 15517132

約数列:

[1, 2, 4, 19, 38, 76, 242453, 484906, 969812, 4606607, 9213214, 18426428]

約数ペア:

[(1, 18426428), (2, 9213214), (4, 4606607), (19, 969812), (38, 484906), (76, 242453)]