18315920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32707}}^1$

素因数の和:32727

約数の個数: 40

約数和(自身を含む): 48669504

約数和(自身を除く): 30353584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32707, 65414, 130828, 163535, 228949, 261656, 327070, 457898, 523312, 654140, 915796, 1144745, 1308280, 1831592, 2289490, 2616560, 3663184, 4578980, 9157960, 18315920]

約数ペア:

[(1, 18315920), (2, 9157960), (4, 4578980), (5, 3663184), (7, 2616560), (8, 2289490), (10, 1831592), (14, 1308280), (16, 1144745), (20, 915796), (28, 654140), (35, 523312), (40, 457898), (56, 327070), (70, 261656), (80, 228949), (112, 163535), (140, 130828), (280, 65414), (560, 32707)]