19511401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4680599

約数列:

[1, 7, 13, 91, 149, 1043, 1439, 1937, 10073, 13559, 18707, 130949, 214411, 1500877, 2787343, 19511401]

約数ペア:

[(1, 19511401), (7, 2787343), (13, 1500877), (91, 214411), (149, 130949), (1043, 18707), (1439, 13559), (1937, 10073)]