19012539

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9979

約数の個数: 24

約数和(自身を含む): 31760400

約数和(自身を除く): 12747861

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9949, 29847, 69643, 129337, 208929, 388011, 487501, 905359, 1462503, 2716077, 6337513, 19012539]

約数ペア:

[(1, 19012539), (3, 6337513), (7, 2716077), (13, 1462503), (21, 905359), (39, 487501), (49, 388011), (91, 208929), (147, 129337), (273, 69643), (637, 29847), (1911, 9949)]