19169289

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 28398240

約数和(自身を除く): 9228951

約数列:

[1, 3, 9, 73, 163, 179, 219, 489, 537, 657, 1467, 1611, 11899, 13067, 29177, 35697, 39201, 87531, 107091, 117603, 262593, 2129921, 6389763, 19169289]

約数ペア:

[(1, 19169289), (3, 6389763), (9, 2129921), (73, 262593), (163, 117603), (179, 107091), (219, 87531), (489, 39201), (537, 35697), (657, 29177), (1467, 13067), (1611, 11899)]