19506820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57373}}^1$

素因数の和:57399

約数の個数: 24

約数和(自身を含む): 43374744

約数和(自身を除く): 23867924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57373, 114746, 229492, 286865, 573730, 975341, 1147460, 1950682, 3901364, 4876705, 9753410, 19506820]

約数ペア:

[(1, 19506820), (2, 9753410), (4, 4876705), (5, 3901364), (10, 1950682), (17, 1147460), (20, 975341), (34, 573730), (68, 286865), (85, 229492), (170, 114746), (340, 57373)]