18852460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 25015700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1279, 1340, 1474, 2558, 2948, 3685, 5116, 6395, 7370, 12790, 14069, 14740, 25580, 28138, 56276, 70345, 85693, 140690, 171386, 281380, 342772, 428465, 856930, 942623, 1713860, 1885246, 3770492, 4713115, 9426230, 18852460]

約数ペア:

[(1, 18852460), (2, 9426230), (4, 4713115), (5, 3770492), (10, 1885246), (11, 1713860), (20, 942623), (22, 856930), (44, 428465), (55, 342772), (67, 281380), (110, 171386), (134, 140690), (220, 85693), (268, 70345), (335, 56276), (670, 28138), (737, 25580), (1279, 14740), (1340, 14069), (1474, 12790), (2558, 7370), (2948, 6395), (3685, 5116)]