19239903

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 11242017

約数列:

[1, 3, 9, 17, 27, 51, 153, 167, 251, 459, 501, 753, 1503, 2259, 2839, 4267, 4509, 6777, 8517, 12801, 25551, 38403, 41917, 76653, 115209, 125751, 377253, 712589, 1131759, 2137767, 6413301, 19239903]

約数ペア:

[(1, 19239903), (3, 6413301), (9, 2137767), (17, 1131759), (27, 712589), (51, 377253), (153, 125751), (167, 115209), (251, 76653), (459, 41917), (501, 38403), (753, 25551), (1503, 12801), (2259, 8517), (2839, 6777), (4267, 4509)]