19783743

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1493}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 30214656

約数和(自身を除く): 10430913

約数列:

[1, 3, 7, 21, 631, 1493, 1893, 4417, 4479, 10451, 13251, 31353, 942083, 2826249, 6594581, 19783743]

約数ペア:

[(1, 19783743), (3, 6594581), (7, 2826249), (21, 942083), (631, 31353), (1493, 13251), (1893, 10451), (4417, 4479)]