19221420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{701}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 54014688

約数和(自身を除く): 34793268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 701, 914, 1371, 1402, 1828, 2103, 2285, 2742, 2804, 3505, 4206, 4570, 5484, 6855, 7010, 8412, 9140, 10515, 13710, 14020, 21030, 27420, 42060, 320357, 640714, 961071, 1281428, 1601785, 1922142, 3203570, 3844284, 4805355, 6407140, 9610710, 19221420]

約数ペア:

[(1, 19221420), (2, 9610710), (3, 6407140), (4, 4805355), (5, 3844284), (6, 3203570), (10, 1922142), (12, 1601785), (15, 1281428), (20, 961071), (30, 640714), (60, 320357), (457, 42060), (701, 27420), (914, 21030), (1371, 14020), (1402, 13710), (1828, 10515), (2103, 9140), (2285, 8412), (2742, 7010), (2804, 6855), (3505, 5484), (4206, 4570)]