18931594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14107}}^1$

素因数の和:14181

約数の個数: 16

約数和(自身を含む): 31489056

約数和(自身を除く): 12557462

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14107, 28214, 155177, 310354, 860527, 1721054, 9465797, 18931594]

約数ペア:

[(1, 18931594), (2, 9465797), (11, 1721054), (22, 860527), (61, 310354), (122, 155177), (671, 28214), (1342, 14107)]