18713409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 29597568

約数和(自身を除く): 10884159

約数列:

[1, 3, 11, 13, 33, 39, 143, 181, 241, 429, 543, 723, 1991, 2353, 2651, 3133, 5973, 7059, 7953, 9399, 25883, 34463, 43621, 77649, 103389, 130863, 479831, 567073, 1439493, 1701219, 6237803, 18713409]

約数ペア:

[(1, 18713409), (3, 6237803), (11, 1701219), (13, 1439493), (33, 567073), (39, 479831), (143, 130863), (181, 103389), (241, 77649), (429, 43621), (543, 34463), (723, 25883), (1991, 9399), (2353, 7953), (2651, 7059), (3133, 5973)]