18427986

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{5987}}^1$

素因数の和:6020

約数の個数: 40

約数和(自身を含む): 43472880

約数和(自身を除く): 25044894

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 5987, 11974, 17961, 35922, 53883, 107766, 113753, 161649, 227506, 323298, 341259, 484947, 682518, 969894, 1023777, 2047554, 3071331, 6142662, 9213993, 18427986]

約数ペア:

[(1, 18427986), (2, 9213993), (3, 6142662), (6, 3071331), (9, 2047554), (18, 1023777), (19, 969894), (27, 682518), (38, 484947), (54, 341259), (57, 323298), (81, 227506), (114, 161649), (162, 113753), (171, 107766), (342, 53883), (513, 35922), (1026, 17961), (1539, 11974), (3078, 5987)]