18213405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 15482595

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 1949, 3115, 5847, 9345, 9745, 13643, 29235, 40929, 68215, 173461, 204645, 520383, 867305, 1214227, 2601915, 3642681, 6071135, 18213405]

約数ペア:

[(1, 18213405), (3, 6071135), (5, 3642681), (7, 2601915), (15, 1214227), (21, 867305), (35, 520383), (89, 204645), (105, 173461), (267, 68215), (445, 40929), (623, 29235), (1335, 13643), (1869, 9745), (1949, 9345), (3115, 5847)]