19964483

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11273}}^1$

素因数の和:11314

約数の個数: 16

約数和(自身を含む): 25975296

約数和(自身を除く): 6010813

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11273, 78911, 124003, 259279, 868021, 1814953, 2852069, 19964483]

約数ペア:

[(1, 19964483), (7, 2852069), (11, 1814953), (23, 868021), (77, 259279), (161, 124003), (253, 78911), (1771, 11273)]