18892172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27947}}^1$

素因数の和:27977

約数の個数: 18

約数和(自身を含む): 35801388

約数和(自身を除く): 16909216

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27947, 55894, 111788, 363311, 726622, 1453244, 4723043, 9446086, 18892172]

約数ペア:

[(1, 18892172), (2, 9446086), (4, 4723043), (13, 1453244), (26, 726622), (52, 363311), (169, 111788), (338, 55894), (676, 27947)]