19212272

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{29287}}^1$

素因数の和:29336

約数の個数: 20

約数和(自身を含む): 38132976

約数和(自身を除く): 18920704

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 29287, 58574, 117148, 234296, 468592, 1200767, 2401534, 4803068, 9606136, 19212272]

約数ペア:

[(1, 19212272), (2, 9606136), (4, 4803068), (8, 2401534), (16, 1200767), (41, 468592), (82, 234296), (164, 117148), (328, 58574), (656, 29287)]