17218180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6508

約数の個数: 48

約数和(自身を含む): 43505280

約数和(自身を除く): 26287100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6473, 12946, 25892, 32365, 45311, 64730, 90622, 122987, 129460, 181244, 226555, 245974, 453110, 491948, 614935, 860909, 906220, 1229870, 1721818, 2459740, 3443636, 4304545, 8609090, 17218180]

約数ペア:

[(1, 17218180), (2, 8609090), (4, 4304545), (5, 3443636), (7, 2459740), (10, 1721818), (14, 1229870), (19, 906220), (20, 860909), (28, 614935), (35, 491948), (38, 453110), (70, 245974), (76, 226555), (95, 181244), (133, 129460), (140, 122987), (190, 90622), (266, 64730), (380, 45311), (532, 32365), (665, 25892), (1330, 12946), (2660, 6473)]