19287476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5081}}^1$

素因数の和:5171

約数の個数: 24

約数和(自身を含む): 36854664

約数和(自身を除く): 17567188

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5081, 10162, 20324, 66053, 132106, 264212, 370913, 741826, 1483652, 4821869, 9643738, 19287476]

約数ペア:

[(1, 19287476), (2, 9643738), (4, 4821869), (13, 1483652), (26, 741826), (52, 370913), (73, 264212), (146, 132106), (292, 66053), (949, 20324), (1898, 10162), (3796, 5081)]