18836648

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 36279360

約数和(自身を除く): 17442712

約数列:

[1, 2, 4, 8, 67, 113, 134, 226, 268, 311, 452, 536, 622, 904, 1244, 2488, 7571, 15142, 20837, 30284, 35143, 41674, 60568, 70286, 83348, 140572, 166696, 281144, 2354581, 4709162, 9418324, 18836648]

約数ペア:

[(1, 18836648), (2, 9418324), (4, 4709162), (8, 2354581), (67, 281144), (113, 166696), (134, 140572), (226, 83348), (268, 70286), (311, 60568), (452, 41674), (536, 35143), (622, 30284), (904, 20837), (1244, 15142), (2488, 7571)]