19398393

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13675527

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 521, 591, 1379, 1563, 1773, 3647, 4137, 4689, 5319, 10941, 12411, 14067, 32823, 37233, 98469, 102637, 307911, 718459, 923733, 2155377, 2771199, 6466131, 19398393]

約数ペア:

[(1, 19398393), (3, 6466131), (7, 2771199), (9, 2155377), (21, 923733), (27, 718459), (63, 307911), (189, 102637), (197, 98469), (521, 37233), (591, 32823), (1379, 14067), (1563, 12411), (1773, 10941), (3647, 5319), (4137, 4689)]