18815643

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 35692800

約数和(自身を除く): 16877157

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1429, 1463, 1881, 4287, 4389, 10003, 12861, 13167, 15719, 27151, 30009, 47157, 81453, 90027, 110033, 141471, 190057, 244359, 298661, 330099, 570171, 895983, 990297, 1710513, 2090627, 2687949, 6271881, 18815643]

約数ペア:

[(1, 18815643), (3, 6271881), (7, 2687949), (9, 2090627), (11, 1710513), (19, 990297), (21, 895983), (33, 570171), (57, 330099), (63, 298661), (77, 244359), (99, 190057), (133, 141471), (171, 110033), (209, 90027), (231, 81453), (399, 47157), (627, 30009), (693, 27151), (1197, 15719), (1429, 13167), (1463, 12861), (1881, 10003), (4287, 4389)]