18736360

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1223}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 23565080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1223, 1532, 1915, 2446, 3064, 3830, 4892, 6115, 7660, 9784, 12230, 15320, 24460, 48920, 468409, 936818, 1873636, 2342045, 3747272, 4684090, 9368180, 18736360]

約数ペア:

[(1, 18736360), (2, 9368180), (4, 4684090), (5, 3747272), (8, 2342045), (10, 1873636), (20, 936818), (40, 468409), (383, 48920), (766, 24460), (1223, 15320), (1532, 12230), (1915, 9784), (2446, 7660), (3064, 6115), (3830, 4892)]