19297648

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8677}}^1$

素因数の和:8824

約数の個数: 20

約数和(自身を含む): 37662520

約数和(自身を除く): 18364872

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8677, 17354, 34708, 69416, 138832, 1206103, 2412206, 4824412, 9648824, 19297648]

約数ペア:

[(1, 19297648), (2, 9648824), (4, 4824412), (8, 2412206), (16, 1206103), (139, 138832), (278, 69416), (556, 34708), (1112, 17354), (2224, 8677)]