19659913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5839}}^1$

素因数の和:5896

約数の個数: 16

約数和(自身を含む): 24855040

約数和(自身を除く): 5195127

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5839, 40873, 75907, 216043, 531349, 1512301, 2808559, 19659913]

約数ペア:

[(1, 19659913), (7, 2808559), (13, 1512301), (37, 531349), (91, 216043), (259, 75907), (481, 40873), (3367, 5839)]