19200220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73847}}^1$

素因数の和:73869

約数の個数: 24

約数和(自身を含む): 43422624

約数和(自身を除く): 24222404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73847, 147694, 295388, 369235, 738470, 960011, 1476940, 1920022, 3840044, 4800055, 9600110, 19200220]

約数ペア:

[(1, 19200220), (2, 9600110), (4, 4800055), (5, 3840044), (10, 1920022), (13, 1476940), (20, 960011), (26, 738470), (52, 369235), (65, 295388), (130, 147694), (260, 73847)]