19639701

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 29090880

約数和(自身を除く): 9451179

約数列:

[1, 3, 9, 73, 167, 179, 219, 501, 537, 657, 1503, 1611, 12191, 13067, 29893, 36573, 39201, 89679, 109719, 117603, 269037, 2182189, 6546567, 19639701]

約数ペア:

[(1, 19639701), (3, 6546567), (9, 2182189), (73, 269037), (167, 117603), (179, 109719), (219, 89679), (501, 39201), (537, 36573), (657, 29893), (1503, 13067), (1611, 12191)]