19086860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5647}}^1$

素因数の和:5682

約数の個数: 36

約数和(自身を含む): 43410528

約数和(自身を除く): 24323668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5647, 11294, 22588, 28235, 56470, 73411, 112940, 146822, 293644, 367055, 734110, 954343, 1468220, 1908686, 3817372, 4771715, 9543430, 19086860]

約数ペア:

[(1, 19086860), (2, 9543430), (4, 4771715), (5, 3817372), (10, 1908686), (13, 1468220), (20, 954343), (26, 734110), (52, 367055), (65, 293644), (130, 146822), (169, 112940), (260, 73411), (338, 56470), (676, 28235), (845, 22588), (1690, 11294), (3380, 5647)]