18950121

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 29169504

約数和(自身を除く): 10219383

約数列:

[1, 3, 9, 17, 51, 153, 211, 587, 633, 1761, 1899, 3587, 5283, 9979, 10761, 29937, 32283, 89811, 123857, 371571, 1114713, 2105569, 6316707, 18950121]

約数ペア:

[(1, 18950121), (3, 6316707), (9, 2105569), (17, 1114713), (51, 371571), (153, 123857), (211, 89811), (587, 32283), (633, 29937), (1761, 10761), (1899, 9979), (3587, 5283)]