219903340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{578693}}^1$

素因数の和:578721

約数の個数: 24

約数和(自身を含む): 486102960

約数和(自身を除く): 266199620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 578693, 1157386, 2314772, 2893465, 5786930, 10995167, 11573860, 21990334, 43980668, 54975835, 109951670, 219903340]

約数ペア:

[(1, 219903340), (2, 109951670), (4, 54975835), (5, 43980668), (10, 21990334), (19, 11573860), (20, 10995167), (38, 5786930), (76, 2893465), (95, 2314772), (190, 1157386), (380, 578693)]