19519929

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 34332480

約数和(自身を除く): 14812551

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 87, 99, 117, 143, 261, 319, 377, 429, 523, 957, 1131, 1287, 1569, 2871, 3393, 4147, 4707, 5753, 6799, 12441, 15167, 17259, 20397, 37323, 45501, 51777, 61191, 74789, 136503, 166837, 197171, 224367, 500511, 591513, 673101, 1501533, 1774539, 2168881, 6506643, 19519929]

約数ペア:

[(1, 19519929), (3, 6506643), (9, 2168881), (11, 1774539), (13, 1501533), (29, 673101), (33, 591513), (39, 500511), (87, 224367), (99, 197171), (117, 166837), (143, 136503), (261, 74789), (319, 61191), (377, 51777), (429, 45501), (523, 37323), (957, 20397), (1131, 17259), (1287, 15167), (1569, 12441), (2871, 6799), (3393, 5753), (4147, 4707)]