19689033

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10303}}^1$

素因数の和:10333

約数の個数: 24

約数和(自身を含む): 32890368

約数和(自身を除く): 13201335

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10303, 30909, 72121, 133939, 216363, 401817, 504847, 937573, 1514541, 2812719, 6563011, 19689033]

約数ペア:

[(1, 19689033), (3, 6563011), (7, 2812719), (13, 1514541), (21, 937573), (39, 504847), (49, 401817), (91, 216363), (147, 133939), (273, 72121), (637, 30909), (1911, 10303)]