18988605

素因数分解:

$3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{739}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 33015840

約数和(自身を除く): 14027235

約数列:

[1, 3, 5, 9, 15, 45, 571, 739, 1713, 2217, 2855, 3695, 5139, 6651, 8565, 11085, 25695, 33255, 421969, 1265907, 2109845, 3797721, 6329535, 18988605]

約数ペア:

[(1, 18988605), (3, 6329535), (5, 3797721), (9, 2109845), (15, 1265907), (45, 421969), (571, 33255), (739, 25695), (1713, 11085), (2217, 8565), (2855, 6651), (3695, 5139)]