18339440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32749}}^1$

素因数の和:32769

約数の個数: 40

約数和(自身を含む): 48732000

約数和(自身を除く): 30392560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32749, 65498, 130996, 163745, 229243, 261992, 327490, 458486, 523984, 654980, 916972, 1146215, 1309960, 1833944, 2292430, 2619920, 3667888, 4584860, 9169720, 18339440]

約数ペア:

[(1, 18339440), (2, 9169720), (4, 4584860), (5, 3667888), (7, 2619920), (8, 2292430), (10, 1833944), (14, 1309960), (16, 1146215), (20, 916972), (28, 654980), (35, 523984), (40, 458486), (56, 327490), (70, 261992), (80, 229243), (112, 163745), (140, 130996), (280, 65498), (560, 32749)]