18942772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 35058240

約数和(自身を除く): 16115468

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 887, 1124, 1774, 3548, 5339, 10678, 16853, 21356, 33706, 67412, 249247, 498494, 996988, 4735693, 9471386, 18942772]

約数ペア:

[(1, 18942772), (2, 9471386), (4, 4735693), (19, 996988), (38, 498494), (76, 249247), (281, 67412), (562, 33706), (887, 21356), (1124, 16853), (1774, 10678), (3548, 5339)]