19770256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112331}}^1$

素因数の和:112350

約数の個数: 20

約数和(自身を含む): 41787504

約数和(自身を除く): 22017248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112331, 224662, 449324, 898648, 1235641, 1797296, 2471282, 4942564, 9885128, 19770256]

約数ペア:

[(1, 19770256), (2, 9885128), (4, 4942564), (8, 2471282), (11, 1797296), (16, 1235641), (22, 898648), (44, 449324), (88, 224662), (176, 112331)]