19199921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1103}}^1$

素因数の和:1232

約数の個数: 12

約数和(自身を含む): 21011328

約数和(自身を除く): 1811407

約数列:

[1, 13, 103, 169, 1103, 1339, 14339, 17407, 113609, 186407, 1476917, 19199921]

約数ペア:

[(1, 19199921), (13, 1476917), (103, 186407), (169, 113609), (1103, 17407), (1339, 14339)]