19965292

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{44171}}^1$

素因数の和:44288

約数の個数: 12

約数和(自身を含む): 35249256

約数和(自身を除く): 15283964

約数列:

[1, 2, 4, 113, 226, 452, 44171, 88342, 176684, 4991323, 9982646, 19965292]

約数ペア:

[(1, 19965292), (2, 9982646), (4, 4991323), (113, 176684), (226, 88342), (452, 44171)]