19493988

素因数分解:

$2^2\times 3^1\times {\mathrm{1091}}^1\times {\mathrm{1489}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 45558240

約数和(自身を除く): 26064252

約数列:

[1, 2, 3, 4, 6, 12, 1091, 1489, 2182, 2978, 3273, 4364, 4467, 5956, 6546, 8934, 13092, 17868, 1624499, 3248998, 4873497, 6497996, 9746994, 19493988]

約数ペア:

[(1, 19493988), (2, 9746994), (3, 6497996), (4, 4873497), (6, 3248998), (12, 1624499), (1091, 17868), (1489, 13092), (2182, 8934), (2978, 6546), (3273, 5956), (4364, 4467)]