19732801

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 23528232

約数和(自身を除く): 3795431

約数列:

[1, 11, 17, 53, 121, 181, 187, 583, 901, 1991, 2057, 3077, 6413, 9593, 9911, 21901, 33847, 105523, 109021, 163081, 372317, 1160753, 1793891, 19732801]

約数ペア:

[(1, 19732801), (11, 1793891), (17, 1160753), (53, 372317), (121, 163081), (181, 109021), (187, 105523), (583, 33847), (901, 21901), (1991, 9911), (2057, 9593), (3077, 6413)]