18038608

素因数分解:

$2^4\times 7^1\times {\mathrm{161059}}^1$

素因数の和:161074

約数の個数: 20

約数和(自身を含む): 39942880

約数和(自身を除く): 21904272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161059, 322118, 644236, 1127413, 1288472, 2254826, 2576944, 4509652, 9019304, 18038608]

約数ペア:

[(1, 18038608), (2, 9019304), (4, 4509652), (7, 2576944), (8, 2254826), (14, 1288472), (16, 1127413), (28, 644236), (56, 322118), (112, 161059)]