19409481

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1823}}^1$

素因数の和:1862

約数の個数: 36

約数和(自身を含む): 34714368

約数和(自身を除く): 15304887

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1823, 3549, 5469, 10647, 12761, 16407, 23699, 38283, 71097, 114849, 165893, 213291, 308087, 497679, 924261, 1493037, 2156609, 2772783, 6469827, 19409481]

約数ペア:

[(1, 19409481), (3, 6469827), (7, 2772783), (9, 2156609), (13, 1493037), (21, 924261), (39, 497679), (63, 308087), (91, 213291), (117, 165893), (169, 114849), (273, 71097), (507, 38283), (819, 23699), (1183, 16407), (1521, 12761), (1823, 10647), (3549, 5469)]