18259241

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 27578880

約数和(自身を除く): 9319639

約数列:

[1, 7, 11, 13, 17, 29, 37, 77, 91, 119, 143, 187, 203, 221, 259, 319, 377, 407, 481, 493, 629, 1001, 1073, 1309, 1547, 2233, 2431, 2639, 2849, 3367, 3451, 4147, 4403, 5291, 5423, 6409, 6919, 7511, 8177, 11803, 13949, 17017, 18241, 29029, 37037, 37961, 44863, 48433, 57239, 70499, 82621, 89947, 97643, 127687, 153439, 200651, 237133, 493493, 629629, 1074073, 1404557, 1659931, 2608463, 18259241]

約数ペア:

[(1, 18259241), (7, 2608463), (11, 1659931), (13, 1404557), (17, 1074073), (29, 629629), (37, 493493), (77, 237133), (91, 200651), (119, 153439), (143, 127687), (187, 97643), (203, 89947), (221, 82621), (259, 70499), (319, 57239), (377, 48433), (407, 44863), (481, 37961), (493, 37037), (629, 29029), (1001, 18241), (1073, 17017), (1309, 13949), (1547, 11803), (2233, 8177), (2431, 7511), (2639, 6919), (2849, 6409), (3367, 5423), (3451, 5291), (4147, 4403)]