19505288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{419}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 41806800

約数和(自身を除く): 22301512

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 419, 506, 529, 838, 1012, 1058, 1676, 2024, 2116, 3352, 4232, 4609, 5819, 9218, 9637, 11638, 18436, 19274, 23276, 36872, 38548, 46552, 77096, 106007, 212014, 221651, 424028, 443302, 848056, 886604, 1773208, 2438161, 4876322, 9752644, 19505288]

約数ペア:

[(1, 19505288), (2, 9752644), (4, 4876322), (8, 2438161), (11, 1773208), (22, 886604), (23, 848056), (44, 443302), (46, 424028), (88, 221651), (92, 212014), (184, 106007), (253, 77096), (419, 46552), (506, 38548), (529, 36872), (838, 23276), (1012, 19274), (1058, 18436), (1676, 11638), (2024, 9637), (2116, 9218), (3352, 5819), (4232, 4609)]