19689476

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 35638680

約数和(自身を除く): 15949204

約数列:

[1, 2, 4, 37, 74, 148, 173, 346, 692, 769, 1538, 3076, 6401, 12802, 25604, 28453, 56906, 113812, 133037, 266074, 532148, 4922369, 9844738, 19689476]

約数ペア:

[(1, 19689476), (2, 9844738), (4, 4922369), (37, 532148), (74, 266074), (148, 133037), (173, 113812), (346, 56906), (692, 28453), (769, 25604), (1538, 12802), (3076, 6401)]