18539964

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5099}}^1$

素因数の和:5210

約数の個数: 36

約数和(自身を含む): 47338200

約数和(自身を除く): 28798236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5099, 10198, 15297, 20396, 30594, 45891, 61188, 91782, 183564, 514999, 1029998, 1544997, 2059996, 3089994, 4634991, 6179988, 9269982, 18539964]

約数ペア:

[(1, 18539964), (2, 9269982), (3, 6179988), (4, 4634991), (6, 3089994), (9, 2059996), (12, 1544997), (18, 1029998), (36, 514999), (101, 183564), (202, 91782), (303, 61188), (404, 45891), (606, 30594), (909, 20396), (1212, 15297), (1818, 10198), (3636, 5099)]