19756009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 24720640

約数和(自身を除く): 4964631

約数列:

[1, 7, 13, 61, 91, 427, 793, 3559, 5551, 24913, 46267, 217099, 323869, 1519693, 2822287, 19756009]

約数ペア:

[(1, 19756009), (7, 2822287), (13, 1519693), (61, 323869), (91, 217099), (427, 46267), (793, 24913), (3559, 5551)]