18268557

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 27261600

約数和(自身を除く): 8993043

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 1109, 3327, 5491, 16473, 18853, 21071, 56559, 63213, 320501, 358207, 961503, 1074621, 6089519, 18268557]

約数ペア:

[(1, 18268557), (3, 6089519), (17, 1074621), (19, 961503), (51, 358207), (57, 320501), (289, 63213), (323, 56559), (867, 21071), (969, 18853), (1109, 16473), (3327, 5491)]