19810011

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 29329776

約数和(自身を除く): 9519765

約数列:

[1, 3, 13, 39, 41, 123, 169, 507, 533, 953, 1599, 2859, 6929, 12389, 20787, 37167, 39073, 117219, 161057, 483171, 507949, 1523847, 6603337, 19810011]

約数ペア:

[(1, 19810011), (3, 6603337), (13, 1523847), (39, 507949), (41, 483171), (123, 161057), (169, 117219), (507, 39073), (533, 37167), (953, 20787), (1599, 12389), (2859, 6929)]