19877648

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9341}}^1$

素因数の和:9375

約数の個数: 40

約数和(自身を含む): 46336320

約数和(自身を除く): 26458672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9341, 18682, 37364, 65387, 74728, 130774, 149456, 177479, 261548, 354958, 523096, 709916, 1046192, 1242353, 1419832, 2484706, 2839664, 4969412, 9938824, 19877648]

約数ペア:

[(1, 19877648), (2, 9938824), (4, 4969412), (7, 2839664), (8, 2484706), (14, 1419832), (16, 1242353), (19, 1046192), (28, 709916), (38, 523096), (56, 354958), (76, 261548), (112, 177479), (133, 149456), (152, 130774), (266, 74728), (304, 65387), (532, 37364), (1064, 18682), (2128, 9341)]