18927986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 35821440

約数和(自身を除く): 16893454

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1381, 1958, 2762, 6853, 9667, 13706, 15191, 19334, 30382, 106337, 122909, 212674, 245818, 860363, 1351999, 1720726, 2703998, 9463993, 18927986]

約数ペア:

[(1, 18927986), (2, 9463993), (7, 2703998), (11, 1720726), (14, 1351999), (22, 860363), (77, 245818), (89, 212674), (154, 122909), (178, 106337), (623, 30382), (979, 19334), (1246, 15191), (1381, 13706), (1958, 9667), (2762, 6853)]