19203345

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{2903}}^1$

素因数の和:2931

約数の個数: 48

約数和(自身を含む): 39726720

約数和(自身を除く): 20523375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 2903, 6615, 8709, 14515, 20321, 26127, 43545, 60963, 78381, 101605, 130635, 142247, 182889, 304815, 391905, 426741, 548667, 711235, 914445, 1280223, 2133705, 2743335, 3840669, 6401115, 19203345]

約数ペア:

[(1, 19203345), (3, 6401115), (5, 3840669), (7, 2743335), (9, 2133705), (15, 1280223), (21, 914445), (27, 711235), (35, 548667), (45, 426741), (49, 391905), (63, 304815), (105, 182889), (135, 142247), (147, 130635), (189, 101605), (245, 78381), (315, 60963), (441, 43545), (735, 26127), (945, 20321), (1323, 14515), (2205, 8709), (2903, 6615)]