18538149

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1399}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 28313600

約数和(自身を除く): 9775451

約数列:

[1, 3, 7, 21, 631, 1399, 1893, 4197, 4417, 9793, 13251, 29379, 882769, 2648307, 6179383, 18538149]

約数ペア:

[(1, 18538149), (3, 6179383), (7, 2648307), (21, 882769), (631, 29379), (1399, 13251), (1893, 9793), (4197, 4417)]