19993356

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4373}}^1$

素因数の和:4510

約数の個数: 36

約数和(自身を含む): 50948352

約数和(自身を除く): 30954996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4373, 4572, 8746, 13119, 17492, 26238, 39357, 52476, 78714, 157428, 555371, 1110742, 1666113, 2221484, 3332226, 4998339, 6664452, 9996678, 19993356]

約数ペア:

[(1, 19993356), (2, 9996678), (3, 6664452), (4, 4998339), (6, 3332226), (9, 2221484), (12, 1666113), (18, 1110742), (36, 555371), (127, 157428), (254, 78714), (381, 52476), (508, 39357), (762, 26238), (1143, 17492), (1524, 13119), (2286, 8746), (4373, 4572)]