19107990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19301}}^1$

素因数の和:19325

約数の個数: 48

約数和(自身を含む): 54200016

約数和(自身を除く): 35092026

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19301, 38602, 57903, 96505, 115806, 173709, 193010, 212311, 289515, 347418, 424622, 579030, 636933, 868545, 1061555, 1273866, 1737090, 1910799, 2123110, 3184665, 3821598, 6369330, 9553995, 19107990]

約数ペア:

[(1, 19107990), (2, 9553995), (3, 6369330), (5, 3821598), (6, 3184665), (9, 2123110), (10, 1910799), (11, 1737090), (15, 1273866), (18, 1061555), (22, 868545), (30, 636933), (33, 579030), (45, 424622), (55, 347418), (66, 289515), (90, 212311), (99, 193010), (110, 173709), (165, 115806), (198, 96505), (330, 57903), (495, 38602), (990, 19301)]