19081881

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 35433216

約数和(自身を除く): 16351335

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1013, 1449, 2093, 2691, 3039, 6279, 7091, 9117, 13169, 18837, 21273, 23299, 39507, 63819, 69897, 92183, 118521, 163093, 209691, 276549, 302887, 489279, 829647, 908661, 1467837, 2120209, 2725983, 6360627, 19081881]

約数ペア:

[(1, 19081881), (3, 6360627), (7, 2725983), (9, 2120209), (13, 1467837), (21, 908661), (23, 829647), (39, 489279), (63, 302887), (69, 276549), (91, 209691), (117, 163093), (161, 118521), (207, 92183), (273, 69897), (299, 63819), (483, 39507), (819, 23299), (897, 21273), (1013, 18837), (1449, 13169), (2093, 9117), (2691, 7091), (3039, 6279)]