19148987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7877}}^1$

素因数の和:7918

約数の個数: 16

約数和(自身を含む): 23823072

約数和(自身を除く): 4674085

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 7877, 86647, 102401, 133909, 1126411, 1472999, 1740817, 19148987]

約数ペア:

[(1, 19148987), (11, 1740817), (13, 1472999), (17, 1126411), (143, 133909), (187, 102401), (221, 86647), (2431, 7877)]