19743420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2591}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 55738368

約数和(自身を除く): 35994948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2591, 3810, 5182, 7620, 7773, 10364, 12955, 15546, 25910, 31092, 38865, 51820, 77730, 155460, 329057, 658114, 987171, 1316228, 1645285, 1974342, 3290570, 3948684, 4935855, 6581140, 9871710, 19743420]

約数ペア:

[(1, 19743420), (2, 9871710), (3, 6581140), (4, 4935855), (5, 3948684), (6, 3290570), (10, 1974342), (12, 1645285), (15, 1316228), (20, 987171), (30, 658114), (60, 329057), (127, 155460), (254, 77730), (381, 51820), (508, 38865), (635, 31092), (762, 25910), (1270, 15546), (1524, 12955), (1905, 10364), (2540, 7773), (2591, 7620), (3810, 5182)]