19488508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4211}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 17661332

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4211, 4628, 8422, 16844, 54743, 109486, 218972, 374779, 749558, 1499116, 4872127, 9744254, 19488508]

約数ペア:

[(1, 19488508), (2, 9744254), (4, 4872127), (13, 1499116), (26, 749558), (52, 374779), (89, 218972), (178, 109486), (356, 54743), (1157, 16844), (2314, 8422), (4211, 4628)]