18085865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 26050560

約数和(自身を除く): 7964695

約数列:

[1, 5, 7, 31, 35, 79, 155, 211, 217, 395, 553, 1055, 1085, 1477, 2449, 2765, 6541, 7385, 12245, 16669, 17143, 32705, 45787, 83345, 85715, 116683, 228935, 516739, 583415, 2583695, 3617173, 18085865]

約数ペア:

[(1, 18085865), (5, 3617173), (7, 2583695), (31, 583415), (35, 516739), (79, 228935), (155, 116683), (211, 85715), (217, 83345), (395, 45787), (553, 32705), (1055, 17143), (1085, 16669), (1477, 12245), (2449, 7385), (2765, 6541)]