18975319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 21962880

約数和(自身を除く): 2987561

約数列:

[1, 11, 19, 163, 209, 557, 1793, 3097, 6127, 10583, 34067, 90791, 116413, 998701, 1725029, 18975319]

約数ペア:

[(1, 18975319), (11, 1725029), (19, 998701), (163, 116413), (209, 90791), (557, 34067), (1793, 10583), (3097, 6127)]