17971640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12143}}^1$

素因数の和:12191

約数の個数: 32

約数和(自身を含む): 41532480

約数和(自身を除く): 23560840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12143, 24286, 48572, 60715, 97144, 121430, 242860, 449291, 485720, 898582, 1797164, 2246455, 3594328, 4492910, 8985820, 17971640]

約数ペア:

[(1, 17971640), (2, 8985820), (4, 4492910), (5, 3594328), (8, 2246455), (10, 1797164), (20, 898582), (37, 485720), (40, 449291), (74, 242860), (148, 121430), (185, 97144), (296, 60715), (370, 48572), (740, 24286), (1480, 12143)]