18376781

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 20106240

約数和(自身を除く): 1729459

約数列:

[1, 19, 43, 83, 271, 817, 1577, 3569, 5149, 11653, 22493, 67811, 221407, 427367, 967199, 18376781]

約数ペア:

[(1, 18376781), (19, 967199), (43, 427367), (83, 221407), (271, 67811), (817, 22493), (1577, 11653), (3569, 5149)]