18560188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2371}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 34536320

約数和(自身を除く): 15976132

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2371, 3914, 4742, 7828, 9484, 45049, 90098, 180196, 244213, 488426, 976852, 4640047, 9280094, 18560188]

約数ペア:

[(1, 18560188), (2, 9280094), (4, 4640047), (19, 976852), (38, 488426), (76, 244213), (103, 180196), (206, 90098), (412, 45049), (1957, 9484), (2371, 7828), (3914, 4742)]