19479501

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 32417280

約数和(自身を除く): 12937779

約数列:

[1, 3, 9, 17, 27, 31, 37, 51, 93, 111, 153, 279, 333, 459, 527, 629, 837, 999, 1147, 1369, 1581, 1887, 3441, 4107, 4743, 5661, 10323, 12321, 14229, 16983, 19499, 23273, 30969, 36963, 42439, 58497, 69819, 127317, 175491, 209457, 381951, 526473, 628371, 721463, 1145853, 2164389, 6493167, 19479501]

約数ペア:

[(1, 19479501), (3, 6493167), (9, 2164389), (17, 1145853), (27, 721463), (31, 628371), (37, 526473), (51, 381951), (93, 209457), (111, 175491), (153, 127317), (279, 69819), (333, 58497), (459, 42439), (527, 36963), (629, 30969), (837, 23273), (999, 19499), (1147, 16983), (1369, 14229), (1581, 12321), (1887, 10323), (3441, 5661), (4107, 4743)]