18581751

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5419}}^1$

素因数の和:5555

約数の個数: 16

約数和(自身を含む): 27750400

約数和(自身を除く): 9168649

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5419, 16257, 48771, 146313, 688213, 2064639, 6193917, 18581751]

約数ペア:

[(1, 18581751), (3, 6193917), (9, 2064639), (27, 688213), (127, 146313), (381, 48771), (1143, 16257), (3429, 5419)]