18213448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 37548000

約数和(自身を除く): 19334552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1489, 1529, 2978, 3058, 5956, 6116, 11912, 12232, 16379, 32758, 65516, 131032, 206971, 413942, 827884, 1655768, 2276681, 4553362, 9106724, 18213448]

約数ペア:

[(1, 18213448), (2, 9106724), (4, 4553362), (8, 2276681), (11, 1655768), (22, 827884), (44, 413942), (88, 206971), (139, 131032), (278, 65516), (556, 32758), (1112, 16379), (1489, 12232), (1529, 11912), (2978, 6116), (3058, 5956)]