19453808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110533}}^1$

素因数の和:110552

約数の個数: 20

約数和(自身を含む): 41118648

約数和(自身を除く): 21664840

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110533, 221066, 442132, 884264, 1215863, 1768528, 2431726, 4863452, 9726904, 19453808]

約数ペア:

[(1, 19453808), (2, 9726904), (4, 4863452), (8, 2431726), (11, 1768528), (16, 1215863), (22, 884264), (44, 442132), (88, 221066), (176, 110533)]