19826608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 40283136

約数和(自身を除く): 20456528

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 563, 568, 1126, 1136, 2201, 2252, 4402, 4504, 8804, 9008, 17453, 17608, 34906, 35216, 39973, 69812, 79946, 139624, 159892, 279248, 319784, 639568, 1239163, 2478326, 4956652, 9913304, 19826608]

約数ペア:

[(1, 19826608), (2, 9913304), (4, 4956652), (8, 2478326), (16, 1239163), (31, 639568), (62, 319784), (71, 279248), (124, 159892), (142, 139624), (248, 79946), (284, 69812), (496, 39973), (563, 35216), (568, 34906), (1126, 17608), (1136, 17453), (2201, 9008), (2252, 8804), (4402, 4504)]