19778452

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1949}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 36036000

約数和(自身を除く): 16257548

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 1949, 2537, 3898, 5074, 7796, 10148, 83807, 114991, 167614, 229982, 335228, 459964, 4944613, 9889226, 19778452]

約数ペア:

[(1, 19778452), (2, 9889226), (4, 4944613), (43, 459964), (59, 335228), (86, 229982), (118, 167614), (172, 114991), (236, 83807), (1949, 10148), (2537, 7796), (3898, 5074)]