19838060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90173}}^1$

素因数の和:90193

約数の個数: 24

約数和(自身を含む): 45447696

約数和(自身を除く): 25609636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90173, 180346, 360692, 450865, 901730, 991903, 1803460, 1983806, 3967612, 4959515, 9919030, 19838060]

約数ペア:

[(1, 19838060), (2, 9919030), (4, 4959515), (5, 3967612), (10, 1983806), (11, 1803460), (20, 991903), (22, 901730), (44, 450865), (55, 360692), (110, 180346), (220, 90173)]