19998616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227257}}^1$

素因数の和:227274

約数の個数: 16

約数和(自身を含む): 40906440

約数和(自身を除く): 20907824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227257, 454514, 909028, 1818056, 2499827, 4999654, 9999308, 19998616]

約数ペア:

[(1, 19998616), (2, 9999308), (4, 4999654), (8, 2499827), (11, 1818056), (22, 909028), (44, 454514), (88, 227257)]