19894270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2179}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 39553920

約数和(自身を除く): 19659650

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2179, 4358, 4565, 9130, 10895, 21790, 23969, 47938, 119845, 180857, 239690, 361714, 904285, 1808570, 1989427, 3978854, 9947135, 19894270]

約数ペア:

[(1, 19894270), (2, 9947135), (5, 3978854), (10, 1989427), (11, 1808570), (22, 904285), (55, 361714), (83, 239690), (110, 180857), (166, 119845), (415, 47938), (830, 23969), (913, 21790), (1826, 10895), (2179, 9130), (4358, 4565)]