19557404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157721}}^1$

素因数の和:157756

約数の個数: 12

約数和(自身を含む): 35329728

約数和(自身を除く): 15772324

約数列:

[1, 2, 4, 31, 62, 124, 157721, 315442, 630884, 4889351, 9778702, 19557404]

約数ペア:

[(1, 19557404), (2, 9778702), (4, 4889351), (31, 630884), (62, 315442), (124, 157721)]