19859139

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 29414112

約数和(自身を除く): 9554973

約数列:

[1, 3, 9, 73, 167, 181, 219, 501, 543, 657, 1503, 1629, 12191, 13213, 30227, 36573, 39639, 90681, 109719, 118917, 272043, 2206571, 6619713, 19859139]

約数ペア:

[(1, 19859139), (3, 6619713), (9, 2206571), (73, 272043), (167, 118917), (181, 109719), (219, 90681), (501, 39639), (543, 36573), (657, 30227), (1503, 13213), (1629, 12191)]