18335019

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4801}}^1$

素因数の和:4890

約数の個数: 16

約数和(自身を含む): 26122880

約数和(自身を除く): 7787861

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 4801, 14403, 91219, 273657, 321667, 965001, 6111673, 18335019]

約数ペア:

[(1, 18335019), (3, 6111673), (19, 965001), (57, 321667), (67, 273657), (201, 91219), (1273, 14403), (3819, 4801)]