18970070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{593}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 39175488

約数和(自身を除く): 20205418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 593, 914, 1186, 2285, 2965, 3199, 4151, 4570, 5930, 6398, 8302, 15995, 20755, 31990, 41510, 271001, 542002, 1355005, 1897007, 2710010, 3794014, 9485035, 18970070]

約数ペア:

[(1, 18970070), (2, 9485035), (5, 3794014), (7, 2710010), (10, 1897007), (14, 1355005), (35, 542002), (70, 271001), (457, 41510), (593, 31990), (914, 20755), (1186, 15995), (2285, 8302), (2965, 6398), (3199, 5930), (4151, 4570)]