18165788

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 32768064

約数和(自身を除く): 14602276

約数列:

[1, 2, 4, 41, 82, 164, 257, 431, 514, 862, 1028, 1724, 10537, 17671, 21074, 35342, 42148, 70684, 110767, 221534, 443068, 4541447, 9082894, 18165788]

約数ペア:

[(1, 18165788), (2, 9082894), (4, 4541447), (41, 443068), (82, 221534), (164, 110767), (257, 70684), (431, 42148), (514, 35342), (862, 21074), (1028, 17671), (1724, 10537)]