19987546

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8053}}^1$

素因数の和:8145

約数の個数: 16

約数和(自身を含む): 32183784

約数和(自身を除く): 12196238

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8053, 16106, 136901, 273802, 587869, 1175738, 9993773, 19987546]

約数ペア:

[(1, 19987546), (2, 9993773), (17, 1175738), (34, 587869), (73, 273802), (146, 136901), (1241, 16106), (2482, 8053)]