18768854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8111}}^1$

素因数の和:8215

約数の個数: 16

約数和(自身を含む): 30663360

約数和(自身を除く): 11894506

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8111, 16222, 105443, 210886, 721879, 1443758, 9384427, 18768854]

約数ペア:

[(1, 18768854), (2, 9384427), (13, 1443758), (26, 721879), (89, 210886), (178, 105443), (1157, 16222), (2314, 8111)]