18913527

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13217}}^1$

素因数の和:13279

約数の個数: 16

約数和(自身を含む): 28550880

約数和(自身を除く): 9637353

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13217, 39651, 118953, 356859, 700501, 2101503, 6304509, 18913527]

約数ペア:

[(1, 18913527), (3, 6304509), (9, 2101503), (27, 700501), (53, 356859), (159, 118953), (477, 39651), (1431, 13217)]