19408274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 31200768

約数和(自身を除く): 11792494

約数列:

[1, 2, 23, 46, 47, 94, 191, 382, 1081, 2162, 2209, 4393, 4418, 8786, 8977, 17954, 50807, 101614, 206471, 412942, 421919, 843838, 9704137, 19408274]

約数ペア:

[(1, 19408274), (2, 9704137), (23, 843838), (46, 421919), (47, 412942), (94, 206471), (191, 101614), (382, 50807), (1081, 17954), (2162, 8977), (2209, 8786), (4393, 4418)]