19287777

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 26938368

約数和(自身を除く): 7650591

約数列:

[1, 3, 23, 69, 443, 631, 1329, 1893, 10189, 14513, 30567, 43539, 279533, 838599, 6429259, 19287777]

約数ペア:

[(1, 19287777), (3, 6429259), (23, 838599), (69, 279533), (443, 43539), (631, 30567), (1329, 14513), (1893, 10189)]