18754729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6131}}^1$

素因数の和:6180

約数の個数: 16

約数和(自身を含む): 23546880

約数和(自身を除く): 4792151

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6131, 42917, 116489, 141013, 815423, 987091, 2679247, 18754729]

約数ペア:

[(1, 18754729), (7, 2679247), (19, 987091), (23, 815423), (133, 141013), (161, 116489), (437, 42917), (3059, 6131)]