18997758

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4273}}^1$

素因数の和:4313

約数の個数: 48

約数和(自身を含む): 46672080

約数和(自身を除く): 27674322

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4273, 4446, 8546, 12819, 25638, 38457, 55549, 76914, 81187, 111098, 162374, 166647, 243561, 333294, 487122, 499941, 730683, 999882, 1055431, 1461366, 2110862, 3166293, 6332586, 9498879, 18997758]

約数ペア:

[(1, 18997758), (2, 9498879), (3, 6332586), (6, 3166293), (9, 2110862), (13, 1461366), (18, 1055431), (19, 999882), (26, 730683), (38, 499941), (39, 487122), (57, 333294), (78, 243561), (114, 166647), (117, 162374), (171, 111098), (234, 81187), (247, 76914), (342, 55549), (494, 38457), (741, 25638), (1482, 12819), (2223, 8546), (4273, 4446)]