19677616

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1362

約数の個数: 60

約数和(自身を含む): 46719480

約数和(自身を除く): 27041864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1321, 1862, 2128, 2642, 3724, 5284, 7448, 9247, 10568, 14896, 18494, 21136, 25099, 36988, 50198, 64729, 73976, 100396, 129458, 147952, 175693, 200792, 258916, 351386, 401584, 517832, 702772, 1035664, 1229851, 1405544, 2459702, 2811088, 4919404, 9838808, 19677616]

約数ペア:

[(1, 19677616), (2, 9838808), (4, 4919404), (7, 2811088), (8, 2459702), (14, 1405544), (16, 1229851), (19, 1035664), (28, 702772), (38, 517832), (49, 401584), (56, 351386), (76, 258916), (98, 200792), (112, 175693), (133, 147952), (152, 129458), (196, 100396), (266, 73976), (304, 64729), (392, 50198), (532, 36988), (784, 25099), (931, 21136), (1064, 18494), (1321, 14896), (1862, 10568), (2128, 9247), (2642, 7448), (3724, 5284)]