18152871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 27433728

約数和(自身を除く): 9280857

約数列:

[1, 3, 11, 33, 53, 97, 107, 159, 291, 321, 583, 1067, 1177, 1749, 3201, 3531, 5141, 5671, 10379, 15423, 17013, 31137, 56551, 62381, 114169, 169653, 187143, 342507, 550087, 1650261, 6050957, 18152871]

約数ペア:

[(1, 18152871), (3, 6050957), (11, 1650261), (33, 550087), (53, 342507), (97, 187143), (107, 169653), (159, 114169), (291, 62381), (321, 56551), (583, 31137), (1067, 17013), (1177, 15423), (1749, 10379), (3201, 5671), (3531, 5141)]