18087213

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1796

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 7072467

約数列:

[1, 3, 29, 87, 127, 381, 1637, 3683, 4911, 11049, 47473, 142419, 207899, 623697, 6029071, 18087213]

約数ペア:

[(1, 18087213), (3, 6029071), (29, 623697), (87, 207899), (127, 142419), (381, 47473), (1637, 11049), (3683, 4911)]