19325960

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1217}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 43628760

約数和(自身を除く): 24302800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1217, 1588, 1985, 2434, 3176, 3970, 4868, 6085, 7940, 9736, 12170, 15880, 24340, 48680, 483149, 966298, 1932596, 2415745, 3865192, 4831490, 9662980, 19325960]

約数ペア:

[(1, 19325960), (2, 9662980), (4, 4831490), (5, 3865192), (8, 2415745), (10, 1932596), (20, 966298), (40, 483149), (397, 48680), (794, 24340), (1217, 15880), (1588, 12170), (1985, 9736), (2434, 7940), (3176, 6085), (3970, 4868)]