19563478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^2$

素因数の和:141

約数の個数: 36

約数和(自身を含む): 34301484

約数和(自身を除く): 14738006

約数列:

[1, 2, 11, 22, 23, 41, 46, 82, 253, 451, 506, 529, 902, 943, 1058, 1681, 1886, 3362, 5819, 10373, 11638, 18491, 20746, 21689, 36982, 38663, 43378, 77326, 238579, 425293, 477158, 850586, 889249, 1778498, 9781739, 19563478]

約数ペア:

[(1, 19563478), (2, 9781739), (11, 1778498), (22, 889249), (23, 850586), (41, 477158), (46, 425293), (82, 238579), (253, 77326), (451, 43378), (506, 38663), (529, 36982), (902, 21689), (943, 20746), (1058, 18491), (1681, 11638), (1886, 10373), (3362, 5819)]