19408293

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 28992600

約数和(自身を除く): 9584307

約数列:

[1, 3, 9, 41, 123, 149, 353, 369, 447, 1059, 1341, 3177, 6109, 14473, 18327, 43419, 52597, 54981, 130257, 157791, 473373, 2156477, 6469431, 19408293]

約数ペア:

[(1, 19408293), (3, 6469431), (9, 2156477), (41, 473373), (123, 157791), (149, 130257), (353, 54981), (369, 52597), (447, 43419), (1059, 18327), (1341, 14473), (3177, 6109)]