18504728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 19511272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 439, 479, 878, 958, 1756, 1916, 3512, 3832, 4829, 5269, 9658, 10538, 19316, 21076, 38632, 42152, 210281, 420562, 841124, 1682248, 2313091, 4626182, 9252364, 18504728]

約数ペア:

[(1, 18504728), (2, 9252364), (4, 4626182), (8, 2313091), (11, 1682248), (22, 841124), (44, 420562), (88, 210281), (439, 42152), (479, 38632), (878, 21076), (958, 19316), (1756, 10538), (1916, 9658), (3512, 5269), (3832, 4829)]