2155454672

素因数分解:

$2^4\times 7^1\times {\mathrm{19245131}}^1$

素因数の和:19245146

約数の個数: 20

約数和(自身を含む): 4772792736

約数和(自身を除く): 2617338064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 19245131, 38490262, 76980524, 134715917, 153961048, 269431834, 307922096, 538863668, 1077727336, 2155454672]

約数ペア:

[(1, 2155454672), (2, 1077727336), (4, 538863668), (7, 307922096), (8, 269431834), (14, 153961048), (16, 134715917), (28, 76980524), (56, 38490262), (112, 19245131)]