18331555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4314

約数の個数: 16

約数和(自身を含む): 24307200

約数和(自身を除く): 5975645

約数列:

[1, 5, 11, 55, 79, 395, 869, 4219, 4345, 21095, 46409, 232045, 333301, 1666505, 3666311, 18331555]

約数ペア:

[(1, 18331555), (5, 3666311), (11, 1666505), (55, 333301), (79, 232045), (395, 46409), (869, 21095), (4219, 4345)]