19406426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20173}}^1$

素因数の和:20225

約数の個数: 16

約数和(自身を含む): 32197704

約数和(自身を除く): 12791278

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20173, 40346, 262249, 524498, 746401, 1492802, 9703213, 19406426]

約数ペア:

[(1, 19406426), (2, 9703213), (13, 1492802), (26, 746401), (37, 524498), (74, 262249), (481, 40346), (962, 20173)]