19162871

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 24418800

約数和(自身を除く): 5255929

約数列:

[1, 7, 13, 49, 67, 91, 449, 469, 637, 871, 3143, 3283, 5837, 6097, 22001, 30083, 40859, 42679, 210581, 286013, 391079, 1474067, 2737553, 19162871]

約数ペア:

[(1, 19162871), (7, 2737553), (13, 1474067), (49, 391079), (67, 286013), (91, 210581), (449, 42679), (469, 40859), (637, 30083), (871, 22001), (3143, 6097), (3283, 5837)]