18325160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65447}}^1$

素因数の和:65465

約数の個数: 32

約数和(自身を含む): 47122560

約数和(自身を除く): 28797400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65447, 130894, 261788, 327235, 458129, 523576, 654470, 916258, 1308940, 1832516, 2290645, 2617880, 3665032, 4581290, 9162580, 18325160]

約数ペア:

[(1, 18325160), (2, 9162580), (4, 4581290), (5, 3665032), (7, 2617880), (8, 2290645), (10, 1832516), (14, 1308940), (20, 916258), (28, 654470), (35, 523576), (40, 458129), (56, 327235), (70, 261788), (140, 130894), (280, 65447)]