18509249

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 21897120

約数和(自身を除く): 3387871

約数列:

[1, 11, 19, 83, 97, 121, 209, 913, 1067, 1577, 1843, 2299, 8051, 10043, 11737, 17347, 20273, 88561, 152969, 190817, 223003, 974171, 1682659, 18509249]

約数ペア:

[(1, 18509249), (11, 1682659), (19, 974171), (83, 223003), (97, 190817), (121, 152969), (209, 88561), (913, 20273), (1067, 17347), (1577, 11737), (1843, 10043), (2299, 8051)]