18109480

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2711}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 22895960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2711, 3340, 5422, 6680, 10844, 13555, 21688, 27110, 54220, 108440, 452737, 905474, 1810948, 2263685, 3621896, 4527370, 9054740, 18109480]

約数ペア:

[(1, 18109480), (2, 9054740), (4, 4527370), (5, 3621896), (8, 2263685), (10, 1810948), (20, 905474), (40, 452737), (167, 108440), (334, 54220), (668, 27110), (835, 21688), (1336, 13555), (1670, 10844), (2711, 6680), (3340, 5422)]