18767988

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{17977}}^1$

素因数の和:18016

約数の個数: 36

約数和(自身を含む): 49079940

約数和(自身を除く): 30311952

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 17977, 35954, 53931, 71908, 107862, 161793, 215724, 323586, 521333, 647172, 1042666, 1563999, 2085332, 3127998, 4691997, 6255996, 9383994, 18767988]

約数ペア:

[(1, 18767988), (2, 9383994), (3, 6255996), (4, 4691997), (6, 3127998), (9, 2085332), (12, 1563999), (18, 1042666), (29, 647172), (36, 521333), (58, 323586), (87, 215724), (116, 161793), (174, 107862), (261, 71908), (348, 53931), (522, 35954), (1044, 17977)]