18904414

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:831

約数の個数: 16

約数和(自身を含む): 28858752

約数和(自身を除く): 9954338

約数列:

[1, 2, 103, 163, 206, 326, 563, 1126, 16789, 33578, 57989, 91769, 115978, 183538, 9452207, 18904414]

約数ペア:

[(1, 18904414), (2, 9452207), (103, 183538), (163, 115978), (206, 91769), (326, 57989), (563, 33578), (1126, 16789)]