19271259

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:600

約数の個数: 36

約数和(自身を含む): 32811480

約数和(自身を除く): 13540221

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 491, 623, 801, 1473, 1869, 3437, 4361, 4419, 5607, 10311, 13083, 24059, 30933, 39249, 43699, 72177, 131097, 216531, 305893, 393291, 917679, 2141251, 2753037, 6423753, 19271259]

約数ペア:

[(1, 19271259), (3, 6423753), (7, 2753037), (9, 2141251), (21, 917679), (49, 393291), (63, 305893), (89, 216531), (147, 131097), (267, 72177), (441, 43699), (491, 39249), (623, 30933), (801, 24059), (1473, 13083), (1869, 10311), (3437, 5607), (4361, 4419)]