19487299

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 21821184

約数和(自身を除く): 2333885

約数列:

[1, 13, 43, 71, 491, 559, 923, 3053, 6383, 21113, 34861, 39689, 274469, 453193, 1499023, 19487299]

約数ペア:

[(1, 19487299), (13, 1499023), (43, 453193), (71, 274469), (491, 39689), (559, 34861), (923, 21113), (3053, 6383)]