18691047

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 28968960

約数和(自身を除く): 10277913

約数列:

[1, 3, 9, 27, 31, 93, 137, 163, 279, 411, 489, 837, 1233, 1467, 3699, 4247, 4401, 5053, 12741, 15159, 22331, 38223, 45477, 66993, 114669, 136431, 200979, 602937, 692261, 2076783, 6230349, 18691047]

約数ペア:

[(1, 18691047), (3, 6230349), (9, 2076783), (27, 692261), (31, 602937), (93, 200979), (137, 136431), (163, 114669), (279, 66993), (411, 45477), (489, 38223), (837, 22331), (1233, 15159), (1467, 12741), (3699, 5053), (4247, 4401)]