19639130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1787}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 40680576

約数和(自身を除く): 21041446

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 1787, 2198, 3574, 5495, 8935, 10990, 12509, 17870, 25018, 62545, 125090, 280559, 561118, 1402795, 1963913, 2805590, 3927826, 9819565, 19639130]

約数ペア:

[(1, 19639130), (2, 9819565), (5, 3927826), (7, 2805590), (10, 1963913), (14, 1402795), (35, 561118), (70, 280559), (157, 125090), (314, 62545), (785, 25018), (1099, 17870), (1570, 12509), (1787, 10990), (2198, 8935), (3574, 5495)]