19109649

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 32175360

約数和(自身を除く): 13065711

約数列:

[1, 3, 13, 17, 19, 37, 39, 41, 51, 57, 111, 123, 221, 247, 323, 481, 533, 629, 663, 697, 703, 741, 779, 969, 1443, 1517, 1599, 1887, 2091, 2109, 2337, 4199, 4551, 8177, 9061, 9139, 10127, 11951, 12597, 13243, 19721, 24531, 25789, 27183, 27417, 28823, 30381, 35853, 39729, 59163, 77367, 86469, 155363, 172159, 335257, 374699, 466089, 489991, 516477, 1005771, 1124097, 1469973, 6369883, 19109649]

約数ペア:

[(1, 19109649), (3, 6369883), (13, 1469973), (17, 1124097), (19, 1005771), (37, 516477), (39, 489991), (41, 466089), (51, 374699), (57, 335257), (111, 172159), (123, 155363), (221, 86469), (247, 77367), (323, 59163), (481, 39729), (533, 35853), (629, 30381), (663, 28823), (697, 27417), (703, 27183), (741, 25789), (779, 24531), (969, 19721), (1443, 13243), (1517, 12597), (1599, 11951), (1887, 10127), (2091, 9139), (2109, 9061), (2337, 8177), (4199, 4551)]