19983843

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 31829616

約数和(自身を除く): 11845773

約数列:

[1, 3, 9, 11, 33, 97, 99, 291, 873, 1067, 2081, 3201, 6243, 9603, 18729, 22891, 68673, 201857, 206019, 605571, 1816713, 2220427, 6661281, 19983843]

約数ペア:

[(1, 19983843), (3, 6661281), (9, 2220427), (11, 1816713), (33, 605571), (97, 206019), (99, 201857), (291, 68673), (873, 22891), (1067, 18729), (2081, 9603), (3201, 6243)]