19610180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 44026416

約数和(自身を除く): 24416236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 421, 548, 685, 842, 1370, 1684, 2105, 2329, 2740, 4210, 4658, 7157, 8420, 9316, 11645, 14314, 23290, 28628, 35785, 46580, 57677, 71570, 115354, 143140, 230708, 288385, 576770, 980509, 1153540, 1961018, 3922036, 4902545, 9805090, 19610180]

約数ペア:

[(1, 19610180), (2, 9805090), (4, 4902545), (5, 3922036), (10, 1961018), (17, 1153540), (20, 980509), (34, 576770), (68, 288385), (85, 230708), (137, 143140), (170, 115354), (274, 71570), (340, 57677), (421, 46580), (548, 35785), (685, 28628), (842, 23290), (1370, 14314), (1684, 11645), (2105, 9316), (2329, 8420), (2740, 7157), (4210, 4658)]