19485879

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 30665088

約数和(自身を除く): 11179209

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 1867, 3479, 5601, 10437, 13069, 39207, 91483, 132557, 274449, 397671, 927899, 2783697, 6495293, 19485879]

約数ペア:

[(1, 19485879), (3, 6495293), (7, 2783697), (21, 927899), (49, 397671), (71, 274449), (147, 132557), (213, 91483), (497, 39207), (1491, 13069), (1867, 10437), (3479, 5601)]