18937414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13469}}^1$

素因数の和:13527

約数の個数: 16

約数和(自身を含む): 30711600

約数和(自身を除く): 11774186

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 13469, 26938, 255911, 498353, 511822, 996706, 9468707, 18937414]

約数ペア:

[(1, 18937414), (2, 9468707), (19, 996706), (37, 511822), (38, 498353), (74, 255911), (703, 26938), (1406, 13469)]