18769218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240631}}^1$

素因数の和:240649

約数の個数: 16

約数和(自身を含む): 40426176

約数和(自身を除く): 21656958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240631, 481262, 721893, 1443786, 3128203, 6256406, 9384609, 18769218]

約数ペア:

[(1, 18769218), (2, 9384609), (3, 6256406), (6, 3128203), (13, 1443786), (26, 721893), (39, 481262), (78, 240631)]