18641210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{941}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 38524032

約数和(自身を除く): 19882822

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 941, 1415, 1882, 1981, 2830, 3962, 4705, 6587, 9410, 9905, 13174, 19810, 32935, 65870, 266303, 532606, 1331515, 1864121, 2663030, 3728242, 9320605, 18641210]

約数ペア:

[(1, 18641210), (2, 9320605), (5, 3728242), (7, 2663030), (10, 1864121), (14, 1331515), (35, 532606), (70, 266303), (283, 65870), (566, 32935), (941, 19810), (1415, 13174), (1882, 9905), (1981, 9410), (2830, 6587), (3962, 4705)]