18804977498

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1\times {\mathrm{1523}}^1$

素因数の和:2662

約数の個数: 32

約数和(自身を含む): 28974775680

約数和(自身を除く): 10169798182

約数列:

[1, 2, 71, 89, 142, 178, 977, 1523, 1954, 3046, 6319, 12638, 69367, 86953, 108133, 135547, 138734, 173906, 216266, 271094, 1487971, 2975942, 6173663, 9623837, 12347326, 19247674, 105645941, 132429419, 211291882, 264858838, 9402488749, 18804977498]

約数ペア:

[(1, 18804977498), (2, 9402488749), (71, 264858838), (89, 211291882), (142, 132429419), (178, 105645941), (977, 19247674), (1523, 12347326), (1954, 9623837), (3046, 6173663), (6319, 2975942), (12638, 1487971), (69367, 271094), (86953, 216266), (108133, 173906), (135547, 138734)]