19929272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4273}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 41543280

約数和(自身を除く): 21614008

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4273, 4664, 8546, 17092, 34184, 47003, 94006, 188012, 226469, 376024, 452938, 905876, 1811752, 2491159, 4982318, 9964636, 19929272]

約数ペア:

[(1, 19929272), (2, 9964636), (4, 4982318), (8, 2491159), (11, 1811752), (22, 905876), (44, 452938), (53, 376024), (88, 226469), (106, 188012), (212, 94006), (424, 47003), (583, 34184), (1166, 17092), (2332, 8546), (4273, 4664)]