18696927

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 7015713

約数列:

[1, 3, 61, 71, 183, 213, 1439, 4317, 4331, 12993, 87779, 102169, 263337, 306507, 6232309, 18696927]

約数ペア:

[(1, 18696927), (3, 6232309), (61, 306507), (71, 263337), (183, 102169), (213, 87779), (1439, 12993), (4317, 4331)]