18952520

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2647}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 42897600

約数和(自身を除く): 23945080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2647, 3580, 5294, 7160, 10588, 13235, 21176, 26470, 52940, 105880, 473813, 947626, 1895252, 2369065, 3790504, 4738130, 9476260, 18952520]

約数ペア:

[(1, 18952520), (2, 9476260), (4, 4738130), (5, 3790504), (8, 2369065), (10, 1895252), (20, 947626), (40, 473813), (179, 105880), (358, 52940), (716, 26470), (895, 21176), (1432, 13235), (1790, 10588), (2647, 7160), (3580, 5294)]