18765736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{213247}}^1$

素因数の和:213264

約数の個数: 16

約数和(自身を含む): 38384640

約数和(自身を除く): 19618904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 213247, 426494, 852988, 1705976, 2345717, 4691434, 9382868, 18765736]

約数ペア:

[(1, 18765736), (2, 9382868), (4, 4691434), (8, 2345717), (11, 1705976), (22, 852988), (44, 426494), (88, 213247)]