19795240

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2591}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 24994520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2591, 3820, 5182, 7640, 10364, 12955, 20728, 25910, 51820, 103640, 494881, 989762, 1979524, 2474405, 3959048, 4948810, 9897620, 19795240]

約数ペア:

[(1, 19795240), (2, 9897620), (4, 4948810), (5, 3959048), (8, 2474405), (10, 1979524), (20, 989762), (40, 494881), (191, 103640), (382, 51820), (764, 25910), (955, 20728), (1528, 12955), (1910, 10364), (2591, 7640), (3820, 5182)]