19989393

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 27086400

約数和(自身を除く): 7097007

約数列:

[1, 3, 149, 197, 227, 447, 591, 681, 29353, 33823, 44719, 88059, 101469, 134157, 6663131, 19989393]

約数ペア:

[(1, 19989393), (3, 6663131), (149, 134157), (197, 101469), (227, 88059), (447, 44719), (591, 33823), (681, 29353)]