19888528

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10273}}^1$

素因数の和:10303

約数の個数: 30

約数和(自身を含む): 42359702

約数和(自身を除く): 22471174

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10273, 20546, 41092, 82184, 113003, 164368, 226006, 452012, 904024, 1243033, 1808048, 2486066, 4972132, 9944264, 19888528]

約数ペア:

[(1, 19888528), (2, 9944264), (4, 4972132), (8, 2486066), (11, 1808048), (16, 1243033), (22, 904024), (44, 452012), (88, 226006), (121, 164368), (176, 113003), (242, 82184), (484, 41092), (968, 20546), (1936, 10273)]