19122788

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1523}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 34735008

約数和(自身を除く): 15612220

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1523, 3046, 3139, 6092, 6278, 12556, 65489, 111179, 130978, 222358, 261956, 444716, 4780697, 9561394, 19122788]

約数ペア:

[(1, 19122788), (2, 9561394), (4, 4780697), (43, 444716), (73, 261956), (86, 222358), (146, 130978), (172, 111179), (292, 65489), (1523, 12556), (3046, 6278), (3139, 6092)]