18997670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111751}}^1$

素因数の和:111775

約数の個数: 16

約数和(自身を含む): 36207648

約数和(自身を除く): 17209978

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 111751, 223502, 558755, 1117510, 1899767, 3799534, 9498835, 18997670]

約数ペア:

[(1, 18997670), (2, 9498835), (5, 3799534), (10, 1899767), (17, 1117510), (34, 558755), (85, 223502), (170, 111751)]