18318350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 37685088

約数和(自身を除く): 19366738

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 937, 1150, 1874, 1955, 3910, 4685, 9370, 9775, 15929, 19550, 21551, 23425, 31858, 43102, 46850, 79645, 107755, 159290, 215510, 366367, 398225, 538775, 732734, 796450, 1077550, 1831835, 3663670, 9159175, 18318350]

約数ペア:

[(1, 18318350), (2, 9159175), (5, 3663670), (10, 1831835), (17, 1077550), (23, 796450), (25, 732734), (34, 538775), (46, 398225), (50, 366367), (85, 215510), (115, 159290), (170, 107755), (230, 79645), (391, 46850), (425, 43102), (575, 31858), (782, 23425), (850, 21551), (937, 19550), (1150, 15929), (1874, 9775), (1955, 9370), (3910, 4685)]