19371339

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 31169600

約数和(自身を除く): 11798261

約数列:

[1, 3, 9, 13, 27, 39, 117, 229, 241, 351, 687, 723, 2061, 2169, 2977, 3133, 6183, 6507, 8931, 9399, 26793, 28197, 55189, 80379, 84591, 165567, 496701, 717457, 1490103, 2152371, 6457113, 19371339]

約数ペア:

[(1, 19371339), (3, 6457113), (9, 2152371), (13, 1490103), (27, 717457), (39, 496701), (117, 165567), (229, 84591), (241, 80379), (351, 55189), (687, 28197), (723, 26793), (2061, 9399), (2169, 8931), (2977, 6507), (3133, 6183)]