18457191

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 28039440

約数和(自身を除く): 9582249

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1289, 1591, 3867, 4773, 11601, 14319, 47693, 55427, 143079, 166281, 429237, 498843, 2050799, 6152397, 18457191]

約数ペア:

[(1, 18457191), (3, 6152397), (9, 2050799), (37, 498843), (43, 429237), (111, 166281), (129, 143079), (333, 55427), (387, 47693), (1289, 14319), (1591, 11601), (3867, 4773)]