18986145

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9239}}^1$

素因数の和:9384

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 11616735

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9239, 27717, 46195, 138585, 1265743, 3797229, 6328715, 18986145]

約数ペア:

[(1, 18986145), (3, 6328715), (5, 3797229), (15, 1265743), (137, 138585), (411, 46195), (685, 27717), (2055, 9239)]