19948201

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7559}}^1$

素因数の和:7608

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 5453399

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7559, 52913, 98267, 219211, 687869, 1534477, 2849743, 19948201]

約数ペア:

[(1, 19948201), (7, 2849743), (13, 1534477), (29, 687869), (91, 219211), (203, 98267), (377, 52913), (2639, 7559)]