18481749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 29428224

約数和(自身を除く): 10946475

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 643, 737, 871, 1929, 2211, 2613, 7073, 8359, 9581, 21219, 25077, 28743, 43081, 91949, 129243, 275847, 473891, 560053, 1421673, 1680159, 6160583, 18481749]

約数ペア:

[(1, 18481749), (3, 6160583), (11, 1680159), (13, 1421673), (33, 560053), (39, 473891), (67, 275847), (143, 129243), (201, 91949), (429, 43081), (643, 28743), (737, 25077), (871, 21219), (1929, 9581), (2211, 8359), (2613, 7073)]