18771961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 22388184

約数和(自身を除く): 3616223

約数列:

[1, 13, 17, 29, 101, 221, 377, 493, 841, 1313, 1717, 2929, 6409, 10933, 14297, 22321, 38077, 49793, 84941, 185861, 647309, 1104233, 1443997, 18771961]

約数ペア:

[(1, 18771961), (13, 1443997), (17, 1104233), (29, 647309), (101, 185861), (221, 84941), (377, 49793), (493, 38077), (841, 22321), (1313, 14297), (1717, 10933), (2929, 6409)]