18995896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 19308104

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2659, 3572, 5318, 7144, 10636, 21272, 50521, 101042, 124973, 202084, 249946, 404168, 499892, 999784, 2374487, 4748974, 9497948, 18995896]

約数ペア:

[(1, 18995896), (2, 9497948), (4, 4748974), (8, 2374487), (19, 999784), (38, 499892), (47, 404168), (76, 249946), (94, 202084), (152, 124973), (188, 101042), (376, 50521), (893, 21272), (1786, 10636), (2659, 7144), (3572, 5318)]