19215668

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2377}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 35156352

約数和(自身を除く): 15940684

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 2021, 2377, 4042, 4754, 8084, 9508, 102211, 111719, 204422, 223438, 408844, 446876, 4803917, 9607834, 19215668]

約数ペア:

[(1, 19215668), (2, 9607834), (4, 4803917), (43, 446876), (47, 408844), (86, 223438), (94, 204422), (172, 111719), (188, 102211), (2021, 9508), (2377, 8084), (4042, 4754)]