19373431

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 24706080

約数和(自身を除く): 5332649

約数列:

[1, 7, 11, 77, 89, 121, 257, 623, 847, 979, 1799, 2827, 6853, 10769, 19789, 22873, 31097, 75383, 160111, 217679, 251603, 1761221, 2767633, 19373431]

約数ペア:

[(1, 19373431), (7, 2767633), (11, 1761221), (77, 251603), (89, 217679), (121, 160111), (257, 75383), (623, 31097), (847, 22873), (979, 19789), (1799, 10769), (2827, 6853)]