18837885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 14946243

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 107, 121, 165, 291, 321, 363, 485, 535, 605, 1067, 1177, 1455, 1605, 1815, 3201, 3531, 5335, 5885, 10379, 11737, 12947, 16005, 17655, 31137, 35211, 38841, 51895, 58685, 64735, 114169, 155685, 176055, 194205, 342507, 570845, 1255859, 1712535, 3767577, 6279295, 18837885]

約数ペア:

[(1, 18837885), (3, 6279295), (5, 3767577), (11, 1712535), (15, 1255859), (33, 570845), (55, 342507), (97, 194205), (107, 176055), (121, 155685), (165, 114169), (291, 64735), (321, 58685), (363, 51895), (485, 38841), (535, 35211), (605, 31137), (1067, 17655), (1177, 16005), (1455, 12947), (1605, 11737), (1815, 10379), (3201, 5885), (3531, 5335)]