18858417

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 25671360

約数和(自身を除く): 6812943

約数列:

[1, 3, 101, 109, 303, 327, 571, 1713, 11009, 33027, 57671, 62239, 173013, 186717, 6286139, 18858417]

約数ペア:

[(1, 18858417), (3, 6286139), (101, 186717), (109, 173013), (303, 62239), (327, 57671), (571, 33027), (1713, 11009)]