19118260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136559}}^1$

素因数の和:136575

約数の個数: 24

約数和(自身を含む): 45884160

約数和(自身を除く): 26765900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136559, 273118, 546236, 682795, 955913, 1365590, 1911826, 2731180, 3823652, 4779565, 9559130, 19118260]

約数ペア:

[(1, 19118260), (2, 9559130), (4, 4779565), (5, 3823652), (7, 2731180), (10, 1911826), (14, 1365590), (20, 955913), (28, 682795), (35, 546236), (70, 273118), (140, 136559)]