19676637

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1597}}^1$

素因数の和:1677

約数の個数: 18

約数和(自身を含む): 29229018

約数和(自身を除く): 9552381

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1597, 4107, 4791, 12321, 14373, 59089, 177267, 531801, 2186293, 6558879, 19676637]

約数ペア:

[(1, 19676637), (3, 6558879), (9, 2186293), (37, 531801), (111, 177267), (333, 59089), (1369, 14373), (1597, 12321), (4107, 4791)]