18928806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242677}}^1$

素因数の和:242695

約数の個数: 16

約数和(自身を含む): 40769904

約数和(自身を除く): 21841098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242677, 485354, 728031, 1456062, 3154801, 6309602, 9464403, 18928806]

約数ペア:

[(1, 18928806), (2, 9464403), (3, 6309602), (6, 3154801), (13, 1456062), (26, 728031), (39, 485354), (78, 242677)]