19258888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 39852000

約数和(自身を除く): 20593112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2459, 3916, 4918, 7832, 9836, 19672, 27049, 54098, 108196, 216392, 218851, 437702, 875404, 1750808, 2407361, 4814722, 9629444, 19258888]

約数ペア:

[(1, 19258888), (2, 9629444), (4, 4814722), (8, 2407361), (11, 1750808), (22, 875404), (44, 437702), (88, 218851), (89, 216392), (178, 108196), (356, 54098), (712, 27049), (979, 19672), (1958, 9836), (2459, 7832), (3916, 4918)]