19874361

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26856

約数の個数: 16

約数和(自身を含む): 30040640

約数和(自身を除く): 10166279

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 26821, 80463, 348673, 509599, 1046019, 1528797, 6624787, 19874361]

約数ペア:

[(1, 19874361), (3, 6624787), (13, 1528797), (19, 1046019), (39, 509599), (57, 348673), (247, 80463), (741, 26821)]