18730719

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17489}}^1$

素因数の和:17519

約数の個数: 24

約数和(自身を含む): 32741280

約数和(自身を除く): 14010561

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17489, 52467, 122423, 157401, 297313, 367269, 891939, 1101807, 2081191, 2675817, 6243573, 18730719]

約数ペア:

[(1, 18730719), (3, 6243573), (7, 2675817), (9, 2081191), (17, 1101807), (21, 891939), (51, 367269), (63, 297313), (119, 157401), (153, 122423), (357, 52467), (1071, 17489)]