18620766

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:990

約数の個数: 40

約数和(自身を含む): 42078960

約数和(自身を除く): 23458194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 839, 1233, 1678, 2466, 2517, 3699, 5034, 7398, 7551, 11097, 15102, 22194, 22653, 45306, 67959, 114943, 135918, 229886, 344829, 689658, 1034487, 2068974, 3103461, 6206922, 9310383, 18620766]

約数ペア:

[(1, 18620766), (2, 9310383), (3, 6206922), (6, 3103461), (9, 2068974), (18, 1034487), (27, 689658), (54, 344829), (81, 229886), (137, 135918), (162, 114943), (274, 67959), (411, 45306), (822, 22653), (839, 22194), (1233, 15102), (1678, 11097), (2466, 7551), (2517, 7398), (3699, 5034)]