18949035

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 17914965

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 127, 145, 147, 203, 245, 343, 381, 435, 609, 635, 735, 889, 1015, 1029, 1421, 1715, 1905, 2667, 3045, 3683, 4263, 4445, 5145, 6223, 7105, 9947, 11049, 13335, 18415, 18669, 21315, 25781, 29841, 31115, 43561, 49735, 55245, 77343, 93345, 128905, 130683, 149205, 180467, 217805, 386715, 541401, 653415, 902335, 1263269, 2707005, 3789807, 6316345, 18949035]

約数ペア:

[(1, 18949035), (3, 6316345), (5, 3789807), (7, 2707005), (15, 1263269), (21, 902335), (29, 653415), (35, 541401), (49, 386715), (87, 217805), (105, 180467), (127, 149205), (145, 130683), (147, 128905), (203, 93345), (245, 77343), (343, 55245), (381, 49735), (435, 43561), (609, 31115), (635, 29841), (735, 25781), (889, 21315), (1015, 18669), (1029, 18415), (1421, 13335), (1715, 11049), (1905, 9947), (2667, 7105), (3045, 6223), (3683, 5145), (4263, 4445)]