19751745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 14520255

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 509, 597, 995, 1527, 2545, 2587, 2985, 6617, 7635, 7761, 12935, 19851, 33085, 38805, 99255, 101291, 303873, 506455, 1316783, 1519365, 3950349, 6583915, 19751745]

約数ペア:

[(1, 19751745), (3, 6583915), (5, 3950349), (13, 1519365), (15, 1316783), (39, 506455), (65, 303873), (195, 101291), (199, 99255), (509, 38805), (597, 33085), (995, 19851), (1527, 12935), (2545, 7761), (2587, 7635), (2985, 6617)]