18991692

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4289}}^1$

素因数の和:4343

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 31458708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4289, 4428, 8578, 12867, 17156, 25734, 38601, 51468, 77202, 115803, 154404, 175849, 231606, 351698, 463212, 527547, 703396, 1055094, 1582641, 2110188, 3165282, 4747923, 6330564, 9495846, 18991692]

約数ペア:

[(1, 18991692), (2, 9495846), (3, 6330564), (4, 4747923), (6, 3165282), (9, 2110188), (12, 1582641), (18, 1055094), (27, 703396), (36, 527547), (41, 463212), (54, 351698), (82, 231606), (108, 175849), (123, 154404), (164, 115803), (246, 77202), (369, 51468), (492, 38601), (738, 25734), (1107, 17156), (1476, 12867), (2214, 8578), (4289, 4428)]