19178145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 19235295

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 535, 569, 749, 963, 1605, 1707, 2247, 2845, 3745, 3983, 4815, 5121, 6741, 8535, 11235, 11949, 19915, 25605, 33705, 35847, 59745, 60883, 179235, 182649, 304415, 426181, 547947, 913245, 1278543, 2130905, 2739735, 3835629, 6392715, 19178145]

約数ペア:

[(1, 19178145), (3, 6392715), (5, 3835629), (7, 2739735), (9, 2130905), (15, 1278543), (21, 913245), (35, 547947), (45, 426181), (63, 304415), (105, 182649), (107, 179235), (315, 60883), (321, 59745), (535, 35847), (569, 33705), (749, 25605), (963, 19915), (1605, 11949), (1707, 11235), (2247, 8535), (2845, 6741), (3745, 5121), (3983, 4815)]