18257206

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2039}}^1$

素因数の和:2100

約数の個数: 24

約数和(自身を含む): 30930480

約数和(自身を除く): 12673274

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2039, 4078, 4477, 8954, 22429, 44858, 75443, 150886, 246719, 493438, 829873, 1659746, 9128603, 18257206]

約数ペア:

[(1, 18257206), (2, 9128603), (11, 1659746), (22, 829873), (37, 493438), (74, 246719), (121, 150886), (242, 75443), (407, 44858), (814, 22429), (2039, 8954), (4078, 4477)]