19974218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53407}}^1$

素因数の和:53437

約数の個数: 16

約数和(自身を含む): 34608384

約数和(自身を除く): 14634166

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 53407, 106814, 587477, 907919, 1174954, 1815838, 9987109, 19974218]

約数ペア:

[(1, 19974218), (2, 9987109), (11, 1815838), (17, 1174954), (22, 907919), (34, 587477), (187, 106814), (374, 53407)]