18260991

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1823}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13257729

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 1823, 3339, 5469, 10017, 12761, 16407, 38283, 49221, 96619, 114849, 289857, 344547, 676333, 869571, 2028999, 2608713, 6086997, 18260991]

約数ペア:

[(1, 18260991), (3, 6086997), (7, 2608713), (9, 2028999), (21, 869571), (27, 676333), (53, 344547), (63, 289857), (159, 114849), (189, 96619), (371, 49221), (477, 38283), (1113, 16407), (1431, 12761), (1823, 10017), (3339, 5469)]