18745160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66947}}^1$

素因数の和:66965

約数の個数: 32

約数和(自身を含む): 48202560

約数和(自身を除く): 29457400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66947, 133894, 267788, 334735, 468629, 535576, 669470, 937258, 1338940, 1874516, 2343145, 2677880, 3749032, 4686290, 9372580, 18745160]

約数ペア:

[(1, 18745160), (2, 9372580), (4, 4686290), (5, 3749032), (7, 2677880), (8, 2343145), (10, 1874516), (14, 1338940), (20, 937258), (28, 669470), (35, 535576), (40, 468629), (56, 334735), (70, 267788), (140, 133894), (280, 66947)]