19723383

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7583}}^1$

素因数の和:7623

約数の個数: 18

約数和(自身を含む): 30267744

約数和(自身を除く): 10544361

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7583, 22749, 68247, 128911, 386733, 1160199, 2191487, 6574461, 19723383]

約数ペア:

[(1, 19723383), (3, 6574461), (9, 2191487), (17, 1160199), (51, 386733), (153, 128911), (289, 68247), (867, 22749), (2601, 7583)]