18555417

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 27448200

約数和(自身を除く): 8892783

約数列:

[1, 3, 9, 101, 137, 149, 303, 411, 447, 909, 1233, 1341, 13837, 15049, 20413, 41511, 45147, 61239, 124533, 135441, 183717, 2061713, 6185139, 18555417]

約数ペア:

[(1, 18555417), (3, 6185139), (9, 2061713), (101, 183717), (137, 135441), (149, 124533), (303, 61239), (411, 45147), (447, 41511), (909, 20413), (1233, 15049), (1341, 13837)]