19985302

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30937}}^1$

素因数の和:30975

約数の個数: 16

約数和(自身を含む): 33413040

約数和(自身を除く): 13427738

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 30937, 61874, 525929, 587803, 1051858, 1175606, 9992651, 19985302]

約数ペア:

[(1, 19985302), (2, 9992651), (17, 1175606), (19, 1051858), (34, 587803), (38, 525929), (323, 61874), (646, 30937)]