19018406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2477}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 31222800

約数和(自身を除く): 12204394

約数列:

[1, 2, 11, 22, 349, 698, 2477, 3839, 4954, 7678, 27247, 54494, 864473, 1728946, 9509203, 19018406]

約数ペア:

[(1, 19018406), (2, 9509203), (11, 1728946), (22, 864473), (349, 54494), (698, 27247), (2477, 7678), (3839, 4954)]