19378923

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 26342400

約数和(自身を除く): 6963477

約数列:

[1, 3, 83, 223, 249, 349, 669, 1047, 18509, 28967, 55527, 77827, 86901, 233481, 6459641, 19378923]

約数ペア:

[(1, 19378923), (3, 6459641), (83, 233481), (223, 86901), (249, 77827), (349, 55527), (669, 28967), (1047, 18509)]