18930561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{11839}}^1$

素因数の和:11896

約数の個数: 16

約数和(自身を含む): 27847680

約数和(自身を除く): 8917119

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 11839, 35517, 153907, 461721, 485399, 1456197, 6310187, 18930561]

約数ペア:

[(1, 18930561), (3, 6310187), (13, 1456197), (39, 485399), (41, 461721), (123, 153907), (533, 35517), (1599, 11839)]