18530361

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 27765504

約数和(自身を除く): 9235143

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 617, 639, 1851, 3337, 5553, 10011, 28999, 30033, 43807, 86997, 131421, 260991, 394263, 2058929, 6176787, 18530361]

約数ペア:

[(1, 18530361), (3, 6176787), (9, 2058929), (47, 394263), (71, 260991), (141, 131421), (213, 86997), (423, 43807), (617, 30033), (639, 28999), (1851, 10011), (3337, 5553)]