19820458

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 36028800

約数和(自身を除く): 16208342

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 269, 277, 538, 554, 1883, 1939, 3766, 3878, 5111, 5263, 10222, 10526, 35777, 36841, 71554, 73682, 74513, 149026, 521591, 1043182, 1415747, 2831494, 9910229, 19820458]

約数ペア:

[(1, 19820458), (2, 9910229), (7, 2831494), (14, 1415747), (19, 1043182), (38, 521591), (133, 149026), (266, 74513), (269, 73682), (277, 71554), (538, 36841), (554, 35777), (1883, 10526), (1939, 10222), (3766, 5263), (3878, 5111)]