19085391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 29906240

約数和(自身を除く): 10820849

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1039, 1413, 2041, 3117, 6123, 9351, 13507, 18369, 40521, 121563, 163123, 489369, 1468107, 2120599, 6361797, 19085391]

約数ペア:

[(1, 19085391), (3, 6361797), (9, 2120599), (13, 1468107), (39, 489369), (117, 163123), (157, 121563), (471, 40521), (1039, 18369), (1413, 13507), (2041, 9351), (3117, 6123)]