18989493

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19597}}^1$

素因数の和:19636

約数の個数: 16

約数和(自身を含む): 28221120

約数和(自身を除く): 9231627

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 19597, 58791, 333149, 372343, 999447, 1117029, 6329831, 18989493]

約数ペア:

[(1, 18989493), (3, 6329831), (17, 1117029), (19, 999447), (51, 372343), (57, 333149), (323, 58791), (969, 19597)]