18893756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21767}}^1$

素因数の和:21809

約数の個数: 24

約数和(自身を含む): 39008256

約数和(自身を除く): 20114500

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21767, 43534, 87068, 152369, 304738, 609476, 674777, 1349554, 2699108, 4723439, 9446878, 18893756]

約数ペア:

[(1, 18893756), (2, 9446878), (4, 4723439), (7, 2699108), (14, 1349554), (28, 674777), (31, 609476), (62, 304738), (124, 152369), (217, 87068), (434, 43534), (868, 21767)]