18427420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83761}}^1$

素因数の和:83781

約数の個数: 24

約数和(自身を含む): 42216048

約数和(自身を除く): 23788628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83761, 167522, 335044, 418805, 837610, 921371, 1675220, 1842742, 3685484, 4606855, 9213710, 18427420]

約数ペア:

[(1, 18427420), (2, 9213710), (4, 4606855), (5, 3685484), (10, 1842742), (11, 1675220), (20, 921371), (22, 837610), (44, 418805), (55, 335044), (110, 167522), (220, 83761)]