18964616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{215507}}^1$

素因数の和:215524

約数の個数: 16

約数和(自身を含む): 38791440

約数和(自身を除く): 19826824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 215507, 431014, 862028, 1724056, 2370577, 4741154, 9482308, 18964616]

約数ペア:

[(1, 18964616), (2, 9482308), (4, 4741154), (8, 2370577), (11, 1724056), (22, 862028), (44, 431014), (88, 215507)]