19851664

素因数分解:

$2^4\times 7^2\times {\mathrm{25321}}^1$

素因数の和:25343

約数の個数: 30

約数和(自身を含む): 44743974

約数和(自身を除く): 24892310

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25321, 50642, 101284, 177247, 202568, 354494, 405136, 708988, 1240729, 1417976, 2481458, 2835952, 4962916, 9925832, 19851664]

約数ペア:

[(1, 19851664), (2, 9925832), (4, 4962916), (7, 2835952), (8, 2481458), (14, 1417976), (16, 1240729), (28, 708988), (49, 405136), (56, 354494), (98, 202568), (112, 177247), (196, 101284), (392, 50642), (784, 25321)]