18480007

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 23550576

約数和(自身を除く): 5070569

約数列:

[1, 7, 13, 49, 67, 91, 433, 469, 637, 871, 3031, 3283, 5629, 6097, 21217, 29011, 39403, 42679, 203077, 275821, 377143, 1421539, 2640001, 18480007]

約数ペア:

[(1, 18480007), (7, 2640001), (13, 1421539), (49, 377143), (67, 275821), (91, 203077), (433, 42679), (469, 39403), (637, 29011), (871, 21217), (3031, 6097), (3283, 5629)]