19753293

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 32727040

約数和(自身を除く): 12973747

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1597, 1767, 4123, 4791, 11179, 12369, 30343, 33537, 49507, 91029, 148521, 212401, 346549, 637203, 940633, 1039647, 2821899, 6584431, 19753293]

約数ペア:

[(1, 19753293), (3, 6584431), (7, 2821899), (19, 1039647), (21, 940633), (31, 637203), (57, 346549), (93, 212401), (133, 148521), (217, 91029), (399, 49507), (589, 33537), (651, 30343), (1597, 12369), (1767, 11179), (4123, 4791)]