18137077

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 5087243

約数列:

[1, 7, 19, 31, 53, 83, 133, 217, 371, 581, 589, 1007, 1577, 1643, 2573, 4123, 4399, 7049, 11039, 11501, 18011, 30793, 31217, 48887, 83581, 136369, 218519, 342209, 585067, 954583, 2591011, 18137077]

約数ペア:

[(1, 18137077), (7, 2591011), (19, 954583), (31, 585067), (53, 342209), (83, 218519), (133, 136369), (217, 83581), (371, 48887), (581, 31217), (589, 30793), (1007, 18011), (1577, 11501), (1643, 11039), (2573, 7049), (4123, 4399)]