18741855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 33078528

約数和(自身を除く): 14336673

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1171, 1455, 3201, 3513, 5335, 5855, 12881, 16005, 17565, 38643, 64405, 113587, 193215, 340761, 567935, 1249457, 1703805, 3748371, 6247285, 18741855]

約数ペア:

[(1, 18741855), (3, 6247285), (5, 3748371), (11, 1703805), (15, 1249457), (33, 567935), (55, 340761), (97, 193215), (165, 113587), (291, 64405), (485, 38643), (1067, 17565), (1171, 16005), (1455, 12881), (3201, 5855), (3513, 5335)]