19704735

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 15534945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 643, 681, 1135, 1929, 2043, 3215, 3405, 5787, 6129, 9645, 10215, 17361, 28935, 30645, 86805, 145961, 437883, 729805, 1313649, 2189415, 3940947, 6568245, 19704735]

約数ペア:

[(1, 19704735), (3, 6568245), (5, 3940947), (9, 2189415), (15, 1313649), (27, 729805), (45, 437883), (135, 145961), (227, 86805), (643, 30645), (681, 28935), (1135, 17361), (1929, 10215), (2043, 9645), (3215, 6129), (3405, 5787)]