19809864

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{3769}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 54401100

約数和(自身を除く): 34591236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 3769, 5256, 7538, 11307, 15076, 22614, 30152, 33921, 45228, 67842, 90456, 135684, 271368, 275137, 550274, 825411, 1100548, 1650822, 2201096, 2476233, 3301644, 4952466, 6603288, 9904932, 19809864]

約数ペア:

[(1, 19809864), (2, 9904932), (3, 6603288), (4, 4952466), (6, 3301644), (8, 2476233), (9, 2201096), (12, 1650822), (18, 1100548), (24, 825411), (36, 550274), (72, 275137), (73, 271368), (146, 135684), (219, 90456), (292, 67842), (438, 45228), (584, 33921), (657, 30152), (876, 22614), (1314, 15076), (1752, 11307), (2628, 7538), (3769, 5256)]