19858256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112831}}^1$

素因数の和:112850

約数の個数: 20

約数和(自身を含む): 41973504

約数和(自身を除く): 22115248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112831, 225662, 451324, 902648, 1241141, 1805296, 2482282, 4964564, 9929128, 19858256]

約数ペア:

[(1, 19858256), (2, 9929128), (4, 4964564), (8, 2482282), (11, 1805296), (16, 1241141), (22, 902648), (44, 451324), (88, 225662), (176, 112831)]