19616368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1825

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21630992

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 1759, 2788, 3518, 5576, 7036, 11152, 14072, 28144, 29903, 59806, 72119, 119612, 144238, 239224, 288476, 478448, 576952, 1153904, 1226023, 2452046, 4904092, 9808184, 19616368]

約数ペア:

[(1, 19616368), (2, 9808184), (4, 4904092), (8, 2452046), (16, 1226023), (17, 1153904), (34, 576952), (41, 478448), (68, 288476), (82, 239224), (136, 144238), (164, 119612), (272, 72119), (328, 59806), (656, 29903), (697, 28144), (1394, 14072), (1759, 11152), (2788, 7036), (3518, 5576)]