19690509

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 27194112

約数和(自身を除く): 7503603

約数列:

[1, 3, 47, 73, 141, 219, 1913, 3431, 5739, 10293, 89911, 139649, 269733, 418947, 6563503, 19690509]

約数ペア:

[(1, 19690509), (3, 6563503), (47, 418947), (73, 269733), (141, 139649), (219, 89911), (1913, 10293), (3431, 5739)]