19809478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18583}}^1$

素因数の和:18639

約数の個数: 16

約数和(自身を含む): 32782176

約数和(自身を除く): 12972698

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 18583, 37166, 241579, 483158, 761903, 1523806, 9904739, 19809478]

約数ペア:

[(1, 19809478), (2, 9904739), (13, 1523806), (26, 761903), (41, 483158), (82, 241579), (533, 37166), (1066, 18583)]