18131680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16189}}^1$

素因数の和:16211

約数の個数: 48

約数和(自身を含む): 48958560

約数和(自身を除く): 30826880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16189, 32378, 64756, 80945, 113323, 129512, 161890, 226646, 259024, 323780, 453292, 518048, 566615, 647560, 906584, 1133230, 1295120, 1813168, 2266460, 2590240, 3626336, 4532920, 9065840, 18131680]

約数ペア:

[(1, 18131680), (2, 9065840), (4, 4532920), (5, 3626336), (7, 2590240), (8, 2266460), (10, 1813168), (14, 1295120), (16, 1133230), (20, 906584), (28, 647560), (32, 566615), (35, 518048), (40, 453292), (56, 323780), (70, 259024), (80, 226646), (112, 161890), (140, 129512), (160, 113323), (224, 80945), (280, 64756), (560, 32378), (1120, 16189)]