18265240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9319}}^1$

素因数の和:9344

約数の個数: 48

約数和(自身を含む): 47811600

約数和(自身を除く): 29546360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9319, 18638, 37276, 46595, 65233, 74552, 93190, 130466, 186380, 260932, 326165, 372760, 456631, 521864, 652330, 913262, 1304660, 1826524, 2283155, 2609320, 3653048, 4566310, 9132620, 18265240]

約数ペア:

[(1, 18265240), (2, 9132620), (4, 4566310), (5, 3653048), (7, 2609320), (8, 2283155), (10, 1826524), (14, 1304660), (20, 913262), (28, 652330), (35, 521864), (40, 456631), (49, 372760), (56, 326165), (70, 260932), (98, 186380), (140, 130466), (196, 93190), (245, 74552), (280, 65233), (392, 46595), (490, 37276), (980, 18638), (1960, 9319)]