18215224

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 36162000

約数和(自身を除く): 17946776

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 409, 586, 818, 1172, 1636, 2344, 3272, 5567, 7771, 11134, 15542, 22268, 31084, 44536, 62168, 119837, 239674, 479348, 958696, 2276903, 4553806, 9107612, 18215224]

約数ペア:

[(1, 18215224), (2, 9107612), (4, 4553806), (8, 2276903), (19, 958696), (38, 479348), (76, 239674), (152, 119837), (293, 62168), (409, 44536), (586, 31084), (818, 22268), (1172, 15542), (1636, 11134), (2344, 7771), (3272, 5567)]