17893540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5596

約数の個数: 48

約数和(自身を含む): 44819712

約数和(自身を除く): 26926172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5557, 11114, 22228, 27785, 38899, 55570, 77798, 111140, 127811, 155596, 194495, 255622, 388990, 511244, 639055, 777980, 894677, 1278110, 1789354, 2556220, 3578708, 4473385, 8946770, 17893540]

約数ペア:

[(1, 17893540), (2, 8946770), (4, 4473385), (5, 3578708), (7, 2556220), (10, 1789354), (14, 1278110), (20, 894677), (23, 777980), (28, 639055), (35, 511244), (46, 388990), (70, 255622), (92, 194495), (115, 155596), (140, 127811), (161, 111140), (230, 77798), (322, 55570), (460, 38899), (644, 27785), (805, 22228), (1610, 11114), (3220, 5557)]