18701480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66791}}^1$

素因数の和:66809

約数の個数: 32

約数和(自身を含む): 48090240

約数和(自身を除く): 29388760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66791, 133582, 267164, 333955, 467537, 534328, 667910, 935074, 1335820, 1870148, 2337685, 2671640, 3740296, 4675370, 9350740, 18701480]

約数ペア:

[(1, 18701480), (2, 9350740), (4, 4675370), (5, 3740296), (7, 2671640), (8, 2337685), (10, 1870148), (14, 1335820), (20, 935074), (28, 667910), (35, 534328), (40, 467537), (56, 333955), (70, 267164), (140, 133582), (280, 66791)]