18455920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32957}}^1$

素因数の和:32977

約数の個数: 40

約数和(自身を含む): 49041504

約数和(自身を除く): 30585584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32957, 65914, 131828, 164785, 230699, 263656, 329570, 461398, 527312, 659140, 922796, 1153495, 1318280, 1845592, 2306990, 2636560, 3691184, 4613980, 9227960, 18455920]

約数ペア:

[(1, 18455920), (2, 9227960), (4, 4613980), (5, 3691184), (7, 2636560), (8, 2306990), (10, 1845592), (14, 1318280), (16, 1153495), (20, 922796), (28, 659140), (35, 527312), (40, 461398), (56, 329570), (70, 263656), (80, 230699), (112, 164785), (140, 131828), (280, 65914), (560, 32957)]