1821900272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{146173}}^1$

素因数の和:146241

約数の個数: 40

約数和(自身を含む): 3806370960

約数和(自身を除く): 1984470688

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 146173, 292346, 584692, 1169384, 2338768, 2777287, 5554574, 5993093, 11109148, 11986186, 22218296, 23972372, 44436592, 47944744, 95889488, 113868767, 227737534, 455475068, 910950136, 1821900272]

約数ペア:

[(1, 1821900272), (2, 910950136), (4, 455475068), (8, 227737534), (16, 113868767), (19, 95889488), (38, 47944744), (41, 44436592), (76, 23972372), (82, 22218296), (152, 11986186), (164, 11109148), (304, 5993093), (328, 5554574), (656, 2777287), (779, 2338768), (1558, 1169384), (3116, 584692), (6232, 292346), (12464, 146173)]