19127775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 34442240

約数和(自身を除く): 15314465

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 433, 465, 475, 589, 775, 1299, 1425, 1767, 2165, 2325, 2945, 6495, 8227, 8835, 10825, 13423, 14725, 24681, 32475, 40269, 41135, 44175, 67115, 123405, 201345, 205675, 255037, 335575, 617025, 765111, 1006725, 1275185, 3825555, 6375925, 19127775]

約数ペア:

[(1, 19127775), (3, 6375925), (5, 3825555), (15, 1275185), (19, 1006725), (25, 765111), (31, 617025), (57, 335575), (75, 255037), (93, 205675), (95, 201345), (155, 123405), (285, 67115), (433, 44175), (465, 41135), (475, 40269), (589, 32475), (775, 24681), (1299, 14725), (1425, 13423), (1767, 10825), (2165, 8835), (2325, 8227), (2945, 6495)]