19691594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2467}}^1$

素因数の和:2789

約数の個数: 16

約数和(自身を含む): 31926048

約数和(自身を除く): 12234454

約数列:

[1, 2, 13, 26, 307, 614, 2467, 3991, 4934, 7982, 32071, 64142, 757369, 1514738, 9845797, 19691594]

約数ペア:

[(1, 19691594), (2, 9845797), (13, 1514738), (26, 757369), (307, 64142), (614, 32071), (2467, 7982), (3991, 4934)]