19999308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5807}}^1$

素因数の和:5862

約数の個数: 48

約数和(自身を含む): 54641664

約数和(自身を除く): 34642356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 5807, 11614, 17421, 23228, 34842, 40649, 69684, 81298, 121947, 162596, 238087, 243894, 476174, 487788, 714261, 952348, 1428522, 1666609, 2857044, 3333218, 4999827, 6666436, 9999654, 19999308]

約数ペア:

[(1, 19999308), (2, 9999654), (3, 6666436), (4, 4999827), (6, 3333218), (7, 2857044), (12, 1666609), (14, 1428522), (21, 952348), (28, 714261), (41, 487788), (42, 476174), (82, 243894), (84, 238087), (123, 162596), (164, 121947), (246, 81298), (287, 69684), (492, 40649), (574, 34842), (861, 23228), (1148, 17421), (1722, 11614), (3444, 5807)]