18378717

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51481}}^1$

素因数の和:51508

約数の個数: 16

約数和(自身を含む): 29653632

約数和(自身を除く): 11274915

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 51481, 154443, 360367, 875177, 1081101, 2625531, 6126239, 18378717]

約数ペア:

[(1, 18378717), (3, 6126239), (7, 2625531), (17, 1081101), (21, 875177), (51, 360367), (119, 154443), (357, 51481)]