18161892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 53079936

約数和(自身を除く): 34918044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 743, 873, 1164, 1358, 1486, 1746, 2037, 2229, 2716, 2972, 3492, 4074, 4458, 5201, 6111, 6687, 8148, 8916, 10402, 12222, 13374, 15603, 20804, 24444, 26748, 31206, 46809, 62412, 72071, 93618, 144142, 187236, 216213, 288284, 432426, 504497, 648639, 864852, 1008994, 1297278, 1513491, 2017988, 2594556, 3026982, 4540473, 6053964, 9080946, 18161892]

約数ペア:

[(1, 18161892), (2, 9080946), (3, 6053964), (4, 4540473), (6, 3026982), (7, 2594556), (9, 2017988), (12, 1513491), (14, 1297278), (18, 1008994), (21, 864852), (28, 648639), (36, 504497), (42, 432426), (63, 288284), (84, 216213), (97, 187236), (126, 144142), (194, 93618), (252, 72071), (291, 62412), (388, 46809), (582, 31206), (679, 26748), (743, 24444), (873, 20804), (1164, 15603), (1358, 13374), (1486, 12222), (1746, 10402), (2037, 8916), (2229, 8148), (2716, 6687), (2972, 6111), (3492, 5201), (4074, 4458)]