18347745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2601

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 14134047

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2543, 7215, 7629, 12715, 33059, 38145, 94091, 99177, 165295, 282273, 470455, 495885, 1223183, 1411365, 3669549, 6115915, 18347745]

約数ペア:

[(1, 18347745), (3, 6115915), (5, 3669549), (13, 1411365), (15, 1223183), (37, 495885), (39, 470455), (65, 282273), (111, 165295), (185, 99177), (195, 94091), (481, 38145), (555, 33059), (1443, 12715), (2405, 7629), (2543, 7215)]