18639666

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{8419}}^1$

素因数の和:8471

約数の個数: 32

約数和(自身を含む): 42436800

約数和(自身を除く): 23797134

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 8419, 16838, 25257, 50514, 75771, 151542, 227313, 345179, 454626, 690358, 1035537, 2071074, 3106611, 6213222, 9319833, 18639666]

約数ペア:

[(1, 18639666), (2, 9319833), (3, 6213222), (6, 3106611), (9, 2071074), (18, 1035537), (27, 690358), (41, 454626), (54, 345179), (82, 227313), (123, 151542), (246, 75771), (369, 50514), (738, 25257), (1107, 16838), (2214, 8419)]