19626903

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 29062800

約数和(自身を除く): 9435897

約数列:

[1, 3, 9, 89, 107, 229, 267, 321, 687, 801, 963, 2061, 9523, 20381, 24503, 28569, 61143, 73509, 85707, 183429, 220527, 2180767, 6542301, 19626903]

約数ペア:

[(1, 19626903), (3, 6542301), (9, 2180767), (89, 220527), (107, 183429), (229, 85707), (267, 73509), (321, 61143), (687, 28569), (801, 24503), (963, 20381), (2061, 9523)]