19339815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 17524185

約数列:

[1, 3, 5, 11, 15, 19, 31, 33, 55, 57, 93, 95, 155, 165, 199, 209, 285, 341, 465, 589, 597, 627, 995, 1023, 1045, 1705, 1767, 2189, 2945, 2985, 3135, 3781, 5115, 6169, 6479, 6567, 8835, 10945, 11343, 18507, 18905, 19437, 30845, 32395, 32835, 41591, 56715, 67859, 92535, 97185, 117211, 124773, 203577, 207955, 339295, 351633, 586055, 623865, 1017885, 1289321, 1758165, 3867963, 6446605, 19339815]

約数ペア:

[(1, 19339815), (3, 6446605), (5, 3867963), (11, 1758165), (15, 1289321), (19, 1017885), (31, 623865), (33, 586055), (55, 351633), (57, 339295), (93, 207955), (95, 203577), (155, 124773), (165, 117211), (199, 97185), (209, 92535), (285, 67859), (341, 56715), (465, 41591), (589, 32835), (597, 32395), (627, 30845), (995, 19437), (1023, 18905), (1045, 18507), (1705, 11343), (1767, 10945), (2189, 8835), (2945, 6567), (2985, 6479), (3135, 6169), (3781, 5115)]