18671745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54121}}^1$

素因数の和:54152

約数の個数: 16

約数和(自身を含む): 31174272

約数和(自身を除く): 12502527

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54121, 162363, 270605, 811815, 1244783, 3734349, 6223915, 18671745]

約数ペア:

[(1, 18671745), (3, 6223915), (5, 3734349), (15, 1244783), (23, 811815), (69, 270605), (115, 162363), (345, 54121)]