19862919

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 30579120

約数和(自身を除く): 10716201

約数列:

[1, 3, 9, 17, 51, 153, 197, 591, 659, 1773, 1977, 3349, 5931, 10047, 11203, 30141, 33609, 100827, 129823, 389469, 1168407, 2206991, 6620973, 19862919]

約数ペア:

[(1, 19862919), (3, 6620973), (9, 2206991), (17, 1168407), (51, 389469), (153, 129823), (197, 100827), (591, 33609), (659, 30141), (1773, 11203), (1977, 10047), (3349, 5931)]