19135725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 37997568

約数和(自身を除く): 18861843

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 49, 75, 105, 123, 127, 147, 175, 205, 245, 287, 381, 525, 615, 635, 735, 861, 889, 1025, 1225, 1435, 1905, 2009, 2667, 3075, 3175, 3675, 4305, 4445, 5207, 6027, 6223, 7175, 9525, 10045, 13335, 15621, 18669, 21525, 22225, 26035, 30135, 31115, 36449, 50225, 66675, 78105, 93345, 109347, 130175, 150675, 155575, 182245, 255143, 390525, 466725, 546735, 765429, 911225, 1275715, 2733675, 3827145, 6378575, 19135725]

約数ペア:

[(1, 19135725), (3, 6378575), (5, 3827145), (7, 2733675), (15, 1275715), (21, 911225), (25, 765429), (35, 546735), (41, 466725), (49, 390525), (75, 255143), (105, 182245), (123, 155575), (127, 150675), (147, 130175), (175, 109347), (205, 93345), (245, 78105), (287, 66675), (381, 50225), (525, 36449), (615, 31115), (635, 30135), (735, 26035), (861, 22225), (889, 21525), (1025, 18669), (1225, 15621), (1435, 13335), (1905, 10045), (2009, 9525), (2667, 7175), (3075, 6223), (3175, 6027), (3675, 5207), (4305, 4445)]