19806259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{641}}^1$

素因数の和:758

約数の個数: 12

約数和(自身を含む): 22056552

約数和(自身を除く): 2250293

約数列:

[1, 11, 53, 583, 641, 2809, 7051, 30899, 33973, 373703, 1800569, 19806259]

約数ペア:

[(1, 19806259), (11, 1800569), (53, 373703), (583, 33973), (641, 30899), (2809, 7051)]