18417910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2459}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 19840010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2459, 3745, 4918, 7490, 12295, 17213, 24590, 34426, 86065, 172130, 263113, 526226, 1315565, 1841791, 2631130, 3683582, 9208955, 18417910]

約数ペア:

[(1, 18417910), (2, 9208955), (5, 3683582), (7, 2631130), (10, 1841791), (14, 1315565), (35, 526226), (70, 263113), (107, 172130), (214, 86065), (535, 34426), (749, 24590), (1070, 17213), (1498, 12295), (2459, 7490), (3745, 4918)]