18276461

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 22790880

約数和(自身を除く): 4514419

約数列:

[1, 7, 19, 49, 67, 133, 293, 469, 931, 1273, 2051, 3283, 5567, 8911, 14357, 19631, 38969, 62377, 137417, 272783, 372989, 961919, 2610923, 18276461]

約数ペア:

[(1, 18276461), (7, 2610923), (19, 961919), (49, 372989), (67, 272783), (133, 137417), (293, 62377), (469, 38969), (931, 19631), (1273, 14357), (2051, 8911), (3283, 5567)]