18802172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3485

約数の個数: 24

約数和(自身を含む): 35120400

約数和(自身を除く): 16318228

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3389, 5548, 6778, 13556, 64391, 128782, 247397, 257564, 494794, 989588, 4700543, 9401086, 18802172]

約数ペア:

[(1, 18802172), (2, 9401086), (4, 4700543), (19, 989588), (38, 494794), (73, 257564), (76, 247397), (146, 128782), (292, 64391), (1387, 13556), (2774, 6778), (3389, 5548)]