18417618

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{4943}}^1$

素因数の和:4980

約数の個数: 40

約数和(自身を含む): 43072128

約数和(自身を除く): 24654510

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 4943, 9886, 14829, 29658, 44487, 88974, 113689, 133461, 227378, 266922, 341067, 400383, 682134, 800766, 1023201, 2046402, 3069603, 6139206, 9208809, 18417618]

約数ペア:

[(1, 18417618), (2, 9208809), (3, 6139206), (6, 3069603), (9, 2046402), (18, 1023201), (23, 800766), (27, 682134), (46, 400383), (54, 341067), (69, 266922), (81, 227378), (138, 133461), (162, 113689), (207, 88974), (414, 44487), (621, 29658), (1242, 14829), (1863, 9886), (3726, 4943)]