18391317

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 29164800

約数和(自身を除く): 10773483

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 293, 343, 427, 879, 1029, 1281, 2051, 2989, 6153, 8967, 14357, 17873, 20923, 43071, 53619, 62769, 100499, 125111, 301497, 375333, 875777, 2627331, 6130439, 18391317]

約数ペア:

[(1, 18391317), (3, 6130439), (7, 2627331), (21, 875777), (49, 375333), (61, 301497), (147, 125111), (183, 100499), (293, 62769), (343, 53619), (427, 43071), (879, 20923), (1029, 17873), (1281, 14357), (2051, 8967), (2989, 6153)]