19530440

素因数分解:

$2^3\times 5^1\times {\mathrm{488261}}^1$

素因数の和:488272

約数の個数: 16

約数和(自身を含む): 43943580

約数和(自身を除く): 24413140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 488261, 976522, 1953044, 2441305, 3906088, 4882610, 9765220, 19530440]

約数ペア:

[(1, 19530440), (2, 9765220), (4, 4882610), (5, 3906088), (8, 2441305), (10, 1953044), (20, 976522), (40, 488261)]