18974193

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53149}}^1$

素因数の和:53176

約数の個数: 16

約数和(自身を含む): 30614400

約数和(自身を除く): 11640207

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53149, 159447, 372043, 903533, 1116129, 2710599, 6324731, 18974193]

約数ペア:

[(1, 18974193), (3, 6324731), (7, 2710599), (17, 1116129), (21, 903533), (51, 372043), (119, 159447), (357, 53149)]