18061940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 41244672

約数和(自身を除く): 23182732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 547, 635, 1094, 1270, 1651, 2188, 2540, 2735, 3302, 5470, 6604, 7111, 8255, 10940, 14222, 16510, 28444, 33020, 35555, 69469, 71110, 138938, 142220, 277876, 347345, 694690, 903097, 1389380, 1806194, 3612388, 4515485, 9030970, 18061940]

約数ペア:

[(1, 18061940), (2, 9030970), (4, 4515485), (5, 3612388), (10, 1806194), (13, 1389380), (20, 903097), (26, 694690), (52, 347345), (65, 277876), (127, 142220), (130, 138938), (254, 71110), (260, 69469), (508, 35555), (547, 33020), (635, 28444), (1094, 16510), (1270, 14222), (1651, 10940), (2188, 8255), (2540, 7111), (2735, 6604), (3302, 5470)]