17820968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 36624960

約数和(自身を除く): 18803992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 313, 626, 647, 1252, 1294, 2504, 2588, 3443, 5176, 6886, 7117, 13772, 14234, 27544, 28468, 56936, 202511, 405022, 810044, 1620088, 2227621, 4455242, 8910484, 17820968]

約数ペア:

[(1, 17820968), (2, 8910484), (4, 4455242), (8, 2227621), (11, 1620088), (22, 810044), (44, 405022), (88, 202511), (313, 56936), (626, 28468), (647, 27544), (1252, 14234), (1294, 13772), (2504, 7117), (2588, 6886), (3443, 5176)]