19616702913

素因数分解:

$3^2\times {\mathrm{647}}^1\times {\mathrm{1459}}^1\times {\mathrm{2309}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 28410782400

約数和(自身を除く): 8794079487

約数列:

[1, 3, 9, 647, 1459, 1941, 2309, 4377, 5823, 6927, 13131, 20781, 943973, 1493923, 2831919, 3368831, 4481769, 8495757, 10106493, 13445307, 30319479, 2179633657, 6538900971, 19616702913]

約数ペア:

[(1, 19616702913), (3, 6538900971), (9, 2179633657), (647, 30319479), (1459, 13445307), (1941, 10106493), (2309, 8495757), (4377, 4481769), (5823, 3368831), (6927, 2831919), (13131, 1493923), (20781, 943973)]