18945368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{182167}}^1$

素因数の和:182186

約数の個数: 16

約数和(自身を含む): 38255280

約数和(自身を除く): 19309912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 182167, 364334, 728668, 1457336, 2368171, 4736342, 9472684, 18945368]

約数ペア:

[(1, 18945368), (2, 9472684), (4, 4736342), (8, 2368171), (13, 1457336), (26, 728668), (52, 364334), (104, 182167)]