18969201

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 29952000

約数和(自身を除く): 10982799

約数列:

[1, 3, 9, 19, 27, 57, 103, 171, 309, 359, 513, 927, 1077, 1957, 2781, 3231, 5871, 6821, 9693, 17613, 20463, 36977, 52839, 61389, 110931, 184167, 332793, 702563, 998379, 2107689, 6323067, 18969201]

約数ペア:

[(1, 18969201), (3, 6323067), (9, 2107689), (19, 998379), (27, 702563), (57, 332793), (103, 184167), (171, 110931), (309, 61389), (359, 52839), (513, 36977), (927, 20463), (1077, 17613), (1957, 9693), (2781, 6821), (3231, 5871)]