18971337

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4831}}^1$

素因数の和:4869

約数の個数: 32

約数和(自身を含む): 33398784

約数和(自身を除く): 14427447

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 4831, 14493, 33817, 53141, 82127, 101451, 159423, 246381, 371987, 574889, 903397, 1115961, 1724667, 2710191, 6323779, 18971337]

約数ペア:

[(1, 18971337), (3, 6323779), (7, 2710191), (11, 1724667), (17, 1115961), (21, 903397), (33, 574889), (51, 371987), (77, 246381), (119, 159423), (187, 101451), (231, 82127), (357, 53141), (561, 33817), (1309, 14493), (3927, 4831)]