18186428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{26903}}^1$

素因数の和:26933

約数の個数: 18

約数和(自身を含む): 34464024

約数和(自身を除く): 16277596

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 26903, 53806, 107612, 349739, 699478, 1398956, 4546607, 9093214, 18186428]

約数ペア:

[(1, 18186428), (2, 9093214), (4, 4546607), (13, 1398956), (26, 699478), (52, 349739), (169, 107612), (338, 53806), (676, 26903)]