18171956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1607}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 34848576

約数和(自身を除く): 16676620

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1607, 2827, 3214, 5654, 6428, 11308, 17677, 35354, 70708, 412999, 825998, 1651996, 4542989, 9085978, 18171956]

約数ペア:

[(1, 18171956), (2, 9085978), (4, 4542989), (11, 1651996), (22, 825998), (44, 412999), (257, 70708), (514, 35354), (1028, 17677), (1607, 11308), (2827, 6428), (3214, 5654)]