13381938

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 30303936

約数和(自身を除く): 16921998

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 283, 333, 426, 566, 639, 666, 849, 1278, 1698, 2547, 2627, 5094, 5254, 7881, 10471, 15762, 20093, 20942, 23643, 31413, 40186, 47286, 60279, 62826, 94239, 120558, 180837, 188478, 361674, 743441, 1486882, 2230323, 4460646, 6690969, 13381938]

約数ペア:

[(1, 13381938), (2, 6690969), (3, 4460646), (6, 2230323), (9, 1486882), (18, 743441), (37, 361674), (71, 188478), (74, 180837), (111, 120558), (142, 94239), (213, 62826), (222, 60279), (283, 47286), (333, 40186), (426, 31413), (566, 23643), (639, 20942), (666, 20093), (849, 15762), (1278, 10471), (1698, 7881), (2547, 5254), (2627, 5094)]