18860578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45121}}^1$

素因数の和:45153

約数の個数: 16

約数和(自身を含む): 32487840

約数和(自身を除く): 13627262

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45121, 90242, 496331, 857299, 992662, 1714598, 9430289, 18860578]

約数ペア:

[(1, 18860578), (2, 9430289), (11, 1714598), (19, 992662), (22, 857299), (38, 496331), (209, 90242), (418, 45121)]