19863088

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2647}}^1$

素因数の和:2729

約数の個数: 40

約数和(自身を含む): 44655872

約数和(自身を除く): 24792784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2647, 3752, 5294, 7504, 10588, 18529, 21176, 37058, 42352, 74116, 148232, 177349, 296464, 354698, 709396, 1241443, 1418792, 2482886, 2837584, 4965772, 9931544, 19863088]

約数ペア:

[(1, 19863088), (2, 9931544), (4, 4965772), (7, 2837584), (8, 2482886), (14, 1418792), (16, 1241443), (28, 709396), (56, 354698), (67, 296464), (112, 177349), (134, 148232), (268, 74116), (469, 42352), (536, 37058), (938, 21176), (1072, 18529), (1876, 10588), (2647, 7504), (3752, 5294)]