19473428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 36920520

約数和(自身を除く): 17447092

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2069, 2353, 4138, 4706, 8276, 9412, 26897, 53794, 107588, 374489, 748978, 1497956, 4868357, 9736714, 19473428]

約数ペア:

[(1, 19473428), (2, 9736714), (4, 4868357), (13, 1497956), (26, 748978), (52, 374489), (181, 107588), (362, 53794), (724, 26897), (2069, 9412), (2353, 8276), (4138, 4706)]