18087654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{231893}}^1$

素因数の和:231911

約数の個数: 16

約数和(自身を含む): 38958192

約数和(自身を除く): 20870538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 231893, 463786, 695679, 1391358, 3014609, 6029218, 9043827, 18087654]

約数ペア:

[(1, 18087654), (2, 9043827), (3, 6029218), (6, 3014609), (13, 1391358), (26, 695679), (39, 463786), (78, 231893)]