19932724

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 21556556

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 97, 164, 179, 194, 287, 358, 388, 574, 679, 716, 1148, 1253, 1358, 2506, 2716, 3977, 5012, 7339, 7954, 14678, 15908, 17363, 27839, 29356, 34726, 51373, 55678, 69452, 102746, 111356, 121541, 205492, 243082, 486164, 711883, 1423766, 2847532, 4983181, 9966362, 19932724]

約数ペア:

[(1, 19932724), (2, 9966362), (4, 4983181), (7, 2847532), (14, 1423766), (28, 711883), (41, 486164), (82, 243082), (97, 205492), (164, 121541), (179, 111356), (194, 102746), (287, 69452), (358, 55678), (388, 51373), (574, 34726), (679, 29356), (716, 27839), (1148, 17363), (1253, 15908), (1358, 14678), (2506, 7954), (2716, 7339), (3977, 5012)]