18145821

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{977}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 24974208

約数和(自身を除く): 6828387

約数列:

[1, 3, 41, 123, 151, 453, 977, 2931, 6191, 18573, 40057, 120171, 147527, 442581, 6048607, 18145821]

約数ペア:

[(1, 18145821), (3, 6048607), (41, 442581), (123, 147527), (151, 120171), (453, 40057), (977, 18573), (2931, 6191)]